(SELECT id, picUri, picUriSmall FROM pictures WHERE id < '.$picId.' ORDER BY id DESC LIMIT 1) UNION (SELECT id, picUri, picUriSmall FROM pictures WHERE id = '.$picId.') UNION (SELECT id, picUri, picUriSmall FROM pictures WHERE id <'.$picId.' LIMIT 1) UNION (SELECT id, picUri, picUriSmall FROM pictures WHERE id > '.$picId.' LIMIT 1