DELETE FROM link_users_access AS lu
    USING link_users_access AS lu
    LEFT JOIN access AS a ON (a.id=lu.access_id)
    LEFT JOIN link_guilds_access AS lg ON (lg.access_id=a.id)
    WHERE a.default_level < 10000
      AND lg.access_level < 10000
      AND lu.users_id=1
      AND lu.guilds_id=26