DELETE FROM 
  cscart_lock_keys 
WHERE 
  key_id = '6fb86fbcb519fb85a376ce4fa57fe502a70f93967e0ef4fec4883e7e4bfc7b91' 
  AND token = 'U4+nlEFgEjrRzI/olghCCw7bjV9dSXbeJfI5bO1ScB0='

Query time 0.00037