UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i5bIlydqEykvwf3dHkAfNN+meiymQ4Zuyx3ADRCuxNM=' 
WHERE 
  key_id = '9192f7ea8df69b74248ec3ea1dd2bf8b328357386d8f3ed18385b25dd2352d9d' 
  AND (
    token = 'i5bIlydqEykvwf3dHkAfNN+meiymQ4Zuyx3ADRCuxNM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )