UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6EY3lWapOeTK+h9WnKWvKhutzU5V7CNCXERZJ6OC2ZY=' 
WHERE 
  key_id = 'c981a13160a453b139ac8cd8bab380a810f2b363188a6fe8eff7f9857db31c27' 
  AND (
    token = '6EY3lWapOeTK+h9WnKWvKhutzU5V7CNCXERZJ6OC2ZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )