UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pmT4GJ+f+vaCLIy4o7yx4QxRGz6/bp7A+WUpD62OUX0=' 
WHERE 
  key_id = '3f3492937b06422ce737ae390f7ea54c29080979c240102a390b1fb90d8a9d74' 
  AND (
    token = 'pmT4GJ+f+vaCLIy4o7yx4QxRGz6/bp7A+WUpD62OUX0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )