Question [Q] Just sold my bricked phone with Gmail accts in Google Play App

I had S2 skyrocket hard bricked phone with my gmail accounts in the Play Store application.

So today i sold the phone to some stranger. (since i cannot open the phone, i couldn't remove the accounts from the phone)

after selling the phone, i changed my accounts password, added 2 step verification security.

btw, the phone have Pattern type screen lock.

So tell me guys, is this enough or tell me more suggestions to protect my accounts.

Thank You