UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '81z9SHp2fPGd8ZQI+d+Slk7XV7GSAIFjQfv23HihwPY=' 
WHERE 
  key_id = '4400240947fabfba17e6f9e4988ab1cb47001e94b9ecdb4e70b19386331a2aff' 
  AND (
    token = '81z9SHp2fPGd8ZQI+d+Slk7XV7GSAIFjQfv23HihwPY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )