UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9krUj1WsL8t2nTdQy7F6BjQe5e7T9m6wfiTlO+SgtpU=' 
WHERE 
  key_id = '51925d9c5b8004224300026112031a5e24ac1475451aac1bec40a701c9db14f1' 
  AND (
    token = '9krUj1WsL8t2nTdQy7F6BjQe5e7T9m6wfiTlO+SgtpU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )