I hope you can do better

SELECT * FROM gallery2 WHERE topic_id="4070" UNION SELECT * FROM gallery2 WHERE topic_id="126488" UNION SELECT * FROM gallery2 WHERE topic_id="683509" UNION SELECT * FROM gallery2 WHERE topic_id="1422354" UNION SELECT * FROM gallery2 WHERE topic_id="663272" UNION SELECT * FROM gallery2 WHERE topic_id="369884" UNION SELECT * FROM gallery2 WHERE topic_id="1433849" UNION SELECT * FROM gallery2 WHERE topic_id="349151" UNION SELECT * FROM gallery2 WHERE topic_id="595689" UNION SELECT * FROM gallery2 WHERE topic_id="1174636" UNION SELECT * FROM gallery2 WHERE topic_id="1224987" UNION SELECT * FROM gallery2 WHERE topic_id="279419" UNION SELECT * FROM gallery2 WHERE topic_id="768978" UNION SELECT * FROM gallery2 WHERE topic_id="1051129" UNION SELECT * FROM gallery2 WHERE topic_id="799645" UNION SELECT * FROM gallery2 WHERE topic_id="407896"