UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ajN+4nFK54Bw3hIGqdvaJIaUnG17pMJw0PK8hk4O9O0=' 
WHERE 
  key_id = '6501436a12547bdbfc68a5334746dd7f525e132c1d604b93f1b8a4dae52c2bec' 
  AND (
    token = 'ajN+4nFK54Bw3hIGqdvaJIaUnG17pMJw0PK8hk4O9O0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )