UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mj88Bo5V0Djcdv/HdfWtkL1TQfyNOGorDKg+C76Zh98=' 
WHERE 
  key_id = 'dfbcccf337601974b16a041929218ad107e0ca5df36b9a722837b373ee95ce72' 
  AND (
    token = 'mj88Bo5V0Djcdv/HdfWtkL1TQfyNOGorDKg+C76Zh98=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )