UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tO2iCMW+PXQ9AhFFXPpZ1IxpQtVWFQM0m/Kp5TbTfo8=' 
WHERE 
  key_id = '333c893303f091ea83f273cb877135eb5af7839adb1b816a43a6de6f79ebcf18' 
  AND (
    token = 'tO2iCMW+PXQ9AhFFXPpZ1IxpQtVWFQM0m/Kp5TbTfo8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )