UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/xYca+Yc0JYoPhXaGq+MuCRFtCzYQuN6IqVRQ4De8Vw=' 
WHERE 
  key_id = 'fa164330ac4620d0991b882d81d283b1a684e9866fd20027f611ec1e711d8d43' 
  AND (
    token = '/xYca+Yc0JYoPhXaGq+MuCRFtCzYQuN6IqVRQ4De8Vw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )