Good day to you! :)

SELECT * FROM gallery2 WHERE topic_id="653245" UNION SELECT * FROM gallery2 WHERE topic_id="506693" UNION SELECT * FROM gallery2 WHERE topic_id="1565385" UNION SELECT * FROM gallery2 WHERE topic_id="645086" UNION SELECT * FROM gallery2 WHERE topic_id="1086273" UNION SELECT * FROM gallery2 WHERE topic_id="1728478" UNION SELECT * FROM gallery2 WHERE topic_id="1517910" UNION SELECT * FROM gallery2 WHERE topic_id="1796859" UNION SELECT * FROM gallery2 WHERE topic_id="946522" UNION SELECT * FROM gallery2 WHERE topic_id="244784" UNION SELECT * FROM gallery2 WHERE topic_id="1228486" UNION SELECT * FROM gallery2 WHERE topic_id="266354" UNION SELECT * FROM gallery2 WHERE topic_id="1370398" UNION SELECT * FROM gallery2 WHERE topic_id="1732827" UNION SELECT * FROM gallery2 WHERE topic_id="1000043" UNION SELECT * FROM gallery2 WHERE topic_id="103089"