SELECT
art.id_art,
art.art_tytul,
art.art_data,
art.art_zdjecie,
art.art_skrot,
art.ikonka_sound,
art.ikonka_video,
art.ikonka_galeria,
kat2.nazwa_kat2
FROM art INNER JOIN (kat1 INNER JOIN kat2 ON kat1.id_kat1=kat2.kat1_id) ON (art.kat2_id = kat2.id_kat2 OR art.kat2_id2 = kat2.id_kat2)
WHERE (`tag1_id` = 2 OR `tag2_id` = 2 OR `tag3_id` = 2 OR `tag4_id` = 2 OR `tag5_id` = 2) and art.art_activ = 1 and TIMEDIFF(CONCAT(art_data, ' ', art_godzina),NOW())<=0
GROUP BY id_art
ORDER BY `art`.`art_data` DESC, `art`.`art_godzina` DESC
LIMIT 4575,9
