Q: how can I get into keychain if it says I can't because I tried my code too many times?

Howdy yungpeach,

It sounds like you are locked out of iCloud keychain on your iPhone.

"If you see an alert that your iCloud Security Code was entered incorrectly too many times" is mentioned in this article: Get help using iCloud Keychain - Apple Support

It links to If you enter your iCloud Security Code incorrectly too many times - Apple Support

That gives steps to take which differ, depending on if you do or do not have another authorized device.

Take care.