Hi Forik,
Welcome to the Apple (user-to-user) Community!
Re: I'm unable to update my Apple ID payment method : I cant renew my cvv code in payment method
Wondering just where you have been trying to update the payment method:
Your Apple ID is the one account you use to access Apple services like the App Store, Apple Music, iCloud, iMessage, FaceTime, and more. It includes the email address and password you use to sign in as well as the contact, payment, and security details you use across Apple services.
You can log-in to your Apple ID account online to update the payment method details:
Apple ID Log-in:
https://appleid.apple.com/
If needed: How to: Get a verification code and sign in with two-factor authentication - Apple Support
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Apple support also have another method: (You need to add a new card before you can delete an old one.)
What to do: If you need to change or update your Apple ID payment method - Apple Support
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More help / support /contact
Apple ID Support website:
Apple ID - Official Apple Support
Or
Apple phone numbers around the world
Contact Apple for support and service - Apple Support
All the best :-)