UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8LSd67bm5wKF0pvCTPIXP9UMQxgabozc2Vx0IbSzq8w=' 
WHERE 
  key_id = '1c3bbdbfc92b8f53d119a475572157f67cf5aa11e784de3bd1bd7d85ba869836' 
  AND (
    token = '8LSd67bm5wKF0pvCTPIXP9UMQxgabozc2Vx0IbSzq8w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )