UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JK9rfnab6PnVdAjMc1YI6tKqX1PXsJ1Frj9vcS86dck=' 
WHERE 
  key_id = 'a50eb6584e4ab0500b6524850a3bed29658be98b8953c65ec6dc73117355359c' 
  AND (
    token = 'JK9rfnab6PnVdAjMc1YI6tKqX1PXsJ1Frj9vcS86dck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )