UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6sCCqzcL+IURX2cbpK2DWq1tUuCgYXltSlmpXGa4cWY=' 
WHERE 
  key_id = '91266a50bad8209ebe86081de4bc946479530731b853edc55ca3ab069b3f2af3' 
  AND (
    token = '6sCCqzcL+IURX2cbpK2DWq1tUuCgYXltSlmpXGa4cWY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )