UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0Empqr6FkHQrjnAF5TiP8fGW496btd5XAF5XXTydo9w=' 
WHERE 
  key_id = '4a94a17f4b3cfcdd1199b48cb6fa53f091a238f13d255f4489a3f4b9c494502b' 
  AND (
    token = '0Empqr6FkHQrjnAF5TiP8fGW496btd5XAF5XXTydo9w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )