UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mg/fLu7XNAtyrIr04F/wyNAp1qBWTrw1JHsovJf2n+Y=' 
WHERE 
  key_id = '26c820325512b07cd52591eede86900f24488802870408255bd0d752b70c2792' 
  AND (
    token = 'mg/fLu7XNAtyrIr04F/wyNAp1qBWTrw1JHsovJf2n+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )