Move a lastUsed update from lock to unlock
Move a lastUsed update from lock to unlock

albertjin/mymysql,jnewmano/mymysql,albertjin/mymysql,CodyGuo/mymysql,mikespook/mymysql,mikespook/mymysql,jnewmano/mymysql,CodyGuo/mymysql