These appear to be the problem functions that are causing the timeouts:
SELECT dm_app_info_for_user_group(3830);
SELECT dm_app_info_for_device_group(2264);
SELECT dm_app_info_for_user(2774);
Going to the "Apps" section works fine as long as one of these functions is not being called. Otherwise there are timeout issues in the Apps section too.
The output of those functions (15 minutes later) looks something like this:
[{"app_id":2, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":216, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":2
02, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":270, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":281, "applei
d_needed":40, "device_needed":40, "assigned":[]},{"app_id":152, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":73, "appleid_needed":40
, "device_needed":0, "assigned":[]},{"app_id":215, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":226, "appleid_needed":40, "device_ne
eded":40, "assigned":[]},{"app_id":209, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":4, "appleid_needed":0, "device_needed":0, "assi
gned":[]},{"app_id":221, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":103, "appleid_needed":40, "device_needed":40, "assigned":[]},{
"app_id":276, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":64, "appleid_needed":0, "device_needed":0, "assigned":[]},{"app_id":212,
"appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":105, "appleid_needed":40, "device_needed":0, "assigned":[]},{"app_id":223, "appleid_nee
ded":40, "device_needed":40, "assigned":[]},{"app_id":264, "appleid_needed":0, "device_needed":0, "assigned":[]},{"app_id":259, "appleid_needed":0, "devi
ce_needed":0, "assigned":[]},{"app_id":111, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":230, "appleid_needed":40, "device_needed":4
0, "assigned":[]},{"app_id":225, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":71, "appleid_needed":0, "device_needed":0, "assigned":
[]},{"app_id":75, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":266, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id
":66, "appleid_needed":0, "device_needed":0, "assigned":[]},{"app_id":263, "appleid_needed":0, "device_needed":0, "assigned":[]},{"app_id":67, "appleid_n
eeded":0, "device_needed":0, "assigned":[]},{"app_id":78, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":113, "appleid_needed":40, "de
vice_needed":40, "assigned":[]},{"app_id":280, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":124, "appleid_needed":0, "device_needed"
:0, "assigned":[]},{"app_id":219, "appleid_needed":40, "device_needed":0, "assigned":[]},{"app_id":74, "appleid_needed":0, "device_needed":0, "assigned":
[]},{"app_id":207, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":104, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_i
d":141, "appleid_needed":40, "device_needed":0, "assigned":[]},{"app_id":267, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":279, "app
leid_needed":40, "device_needed":40, "assigned":[]},{"app_id":265, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":151, "appleid_needed
":40, "device_needed":40, "assigned":[]},{"app_id":99, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":70, "appleid_needed":0, "device_
needed":0, "assigned":[]},{"app_id":63, "appleid_needed":0, "device_needed":0, "assigned":[]},{"app_id":261, "appleid_needed":40, "device_needed":40, "as
signed":[]},{"app_id":107, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":220, "appleid_needed":40, "device_needed":40, "assigned":[]}
,{"app_id":229, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":3, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":22
8, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":277, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":109, "appleid
_needed":40, "device_needed":40, "assigned":[]},{"app_id":211, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":112, "appleid_needed":40
, "device_needed":40, "assigned":[]},{"app_id":275, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":1, "appleid_needed":40, "device_nee
ded":40, "assigned":[]},{"app_id":106, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":62, "appleid_needed":0, "device_needed":0, "assi
gned":[]},{"app_id":116, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":125, "appleid_needed":0, "device_needed":0, "assigned":[]},{"a
pp_id":224, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":102, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":258,
"appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":144, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":218, "appleid_n
eeded":40, "device_needed":40, "assigned":[]},{"app_id":268, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":153, "appleid_needed":0, "
device_needed":0, "assigned":[]},{"app_id":108, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":114, "appleid_needed":40, "device_neede
d":40, "assigned":[]},{"app_id":274, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":143, "appleid_needed":40, "device_needed":40, "***
igned":[]},{"app_id":271, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":72, "appleid_needed":0, "device_needed":0, "assigned":[]},{"a
pp_id":260, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":110, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":210,
"appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":272, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":222, "appleid_n
eeded":40, "device_needed":40, "assigned":[]},{"app_id":65, "appleid_needed":0, "device_needed":0, "assigned":[]},{"app_id":214, "appleid_needed":40, "de
vice_needed":40, "assigned":[]},{"app_id":217, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":123, "appleid_needed":0, "device_needed"
:0, "assigned":[]},{"app_id":208, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":227, "appleid_needed":40, "device_needed":40, "assign
ed":[]},{"app_id":100, "appleid_needed":0, "device_needed":0, "assigned":[]},{"app_id":101, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app
_id":262, "appleid_needed":0, "device_needed":0, "assigned":[]},{"app_id":61, "appleid_needed":0, "device_needed":0, "assigned":[]},{"app_id":273, "apple
id_needed":40, "device_needed":40, "assigned":[]},{"app_id":142, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":278, "appleid_needed":
40, "device_needed":40, "assigned":[]},{"app_id":115, "appleid_needed":40, "device_needed":40, "assigned":[]},{"app_id":241, "appleid_needed":40, "device
_needed":40, "assigned":[]}]