UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4WcxSKhkrdH13VJk4+/Fm6EgZkO1Dv7ypi/DmSt2O7U=' 
WHERE 
  key_id = '5324fdfdcd9902dec1a8a60c6ddb325139691eb391f50360728bf6e7aaddbdf4' 
  AND (
    token = '4WcxSKhkrdH13VJk4+/Fm6EgZkO1Dv7ypi/DmSt2O7U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )