I tend to get messy, so in here would be best 🏊‍♀️

SELECT * FROM gallery2 WHERE topic_id="491617" UNION SELECT * FROM gallery2 WHERE topic_id="1493518" UNION SELECT * FROM gallery2 WHERE topic_id="1571416" UNION SELECT * FROM gallery2 WHERE topic_id="229085" UNION SELECT * FROM gallery2 WHERE topic_id="86148" UNION SELECT * FROM gallery2 WHERE topic_id="494903" UNION SELECT * FROM gallery2 WHERE topic_id="676270" UNION SELECT * FROM gallery2 WHERE topic_id="1626817" UNION SELECT * FROM gallery2 WHERE topic_id="364112" UNION SELECT * FROM gallery2 WHERE topic_id="1578443" UNION SELECT * FROM gallery2 WHERE topic_id="1123181" UNION SELECT * FROM gallery2 WHERE topic_id="1511182" UNION SELECT * FROM gallery2 WHERE topic_id="1403299" UNION SELECT * FROM gallery2 WHERE topic_id="570820" UNION SELECT * FROM gallery2 WHERE topic_id="1419734" UNION SELECT * FROM gallery2 WHERE topic_id="1449758"