UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dzx3rTOBWFz6dr3L401WzVw2+tVRvypnjF6XhYoEfC0=' 
WHERE 
  key_id = '593f2425c97010b693632d9d142b17d0c54e2b8628a4987302b6f978d4cd400b' 
  AND (
    token = 'dzx3rTOBWFz6dr3L401WzVw2+tVRvypnjF6XhYoEfC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )