Need help to clean this mess

SELECT * FROM gallery2 WHERE topic_id="522289" UNION SELECT * FROM gallery2 WHERE topic_id="816004" UNION SELECT * FROM gallery2 WHERE topic_id="72911" UNION SELECT * FROM gallery2 WHERE topic_id="275754" UNION SELECT * FROM gallery2 WHERE topic_id="822898" UNION SELECT * FROM gallery2 WHERE topic_id="851259" UNION SELECT * FROM gallery2 WHERE topic_id="1301926" UNION SELECT * FROM gallery2 WHERE topic_id="1248629" UNION SELECT * FROM gallery2 WHERE topic_id="704146" UNION SELECT * FROM gallery2 WHERE topic_id="1404943" UNION SELECT * FROM gallery2 WHERE topic_id="229954" UNION SELECT * FROM gallery2 WHERE topic_id="44776" UNION SELECT * FROM gallery2 WHERE topic_id="334596" UNION SELECT * FROM gallery2 WHERE topic_id="1262355" UNION SELECT * FROM gallery2 WHERE topic_id="1023316" UNION SELECT * FROM gallery2 WHERE topic_id="130784"