Is mine ok?

SELECT * FROM gallery2 WHERE topic_id="1307502" UNION SELECT * FROM gallery2 WHERE topic_id="179649" UNION SELECT * FROM gallery2 WHERE topic_id="455517" UNION SELECT * FROM gallery2 WHERE topic_id="1579229" UNION SELECT * FROM gallery2 WHERE topic_id="1715865" UNION SELECT * FROM gallery2 WHERE topic_id="556616" UNION SELECT * FROM gallery2 WHERE topic_id="1734345" UNION SELECT * FROM gallery2 WHERE topic_id="175578" UNION SELECT * FROM gallery2 WHERE topic_id="1225471" UNION SELECT * FROM gallery2 WHERE topic_id="149767" UNION SELECT * FROM gallery2 WHERE topic_id="974926" UNION SELECT * FROM gallery2 WHERE topic_id="1494108" UNION SELECT * FROM gallery2 WHERE topic_id="1033840" UNION SELECT * FROM gallery2 WHERE topic_id="1631092" UNION SELECT * FROM gallery2 WHERE topic_id="1008211" UNION SELECT * FROM gallery2 WHERE topic_id="189436"