The board is riveted in, but there are enough screws to hold the replacement in place. Removing the board is a shockingly violent process, but it worked for me.
Keyboard: https://www.amazon.com/dp/B0CQBVMM3X (price has gone up).
Video of rivets breaking: https://i.tonybox.net/9f2083b218d5.mp4 (you can see I missed a screw and slightly cut my hand here too).