UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3HIypASKA6HaGAxpcQIvyFqjffFVqqjCrcfOp6RH8aQ=' 
WHERE 
  key_id = '308c71208d4851e4b1b5162befedef265097f3e7d349ae64c64e6fb2f7f4a855' 
  AND (
    token = '3HIypASKA6HaGAxpcQIvyFqjffFVqqjCrcfOp6RH8aQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )