UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I+NMtnXrjF31sMI5pIqee9E5mtSrk7OPD6Yte9HPX78=' 
WHERE 
  key_id = 'a435e76361a07febceb6dc884d9bd23cd22343fc6cac64312eeccde8f0052601' 
  AND (
    token = 'I+NMtnXrjF31sMI5pIqee9E5mtSrk7OPD6Yte9HPX78=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )