Files with incorrect suffix

SQL

SELECT CONCAT("File:", img_name) AS File, CONCAT(img_major_mime, "/", img_minor_mime) AS Mimetype
FROM image
WHERE CONCAT(img_major_mime, "/", img_minor_mime, ".", LOWER(CONVERT(SUBSTRING_INDEX(img_name, '.', -1) USING latin1))) NOT IN (
 "image/x-xcf.xcf", "image/x-bmp.bmp", "image/webp.webp", "image/tiff.tiff", "image/tiff.tif", "image/gif.gif", "image/png.png", "image/png.apng", "image/jpeg.jpeg", "image/jpeg.jpg", "image/jpeg.jpe", "image/svg+xml.svg", "audio/webm.webm", "audio/x-flac.flac", "audio/wav.wav", "audio/midi.mid", "audio/midi.midi", "audio/midi.kar", "audio/mpeg.mpga", "audio/mpeg.mpa", "audio/mpeg.mp2", "audio/mpeg.mp3", "application/ogg.ogx", "application/ogg.ogg", "application/ogg.ogm", "application/ogg.ogv", "application/ogg.oga", "application/ogg.spx", "application/ogg.opus", "video/webm.webm", "application/pdf.pdf", "text/plain.txt")
AND img_name NOT IN ("Poly.pov")
ORDER BY img_major_mime, img_minor_mime, img_name
SQL

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