I had the same issue, they need to be on two lines:
[r.VSync]
580F0000 0651F708
680F0000 00000000 00000000
[t.MaxFPS]
580F0000 06D1A498
680F0000 41F00000 00000000
Otherwise it wont detect it.
I get options [r.VSync] and [t.MaxFPS], turn them on both but only get 60fps in the menu, 30 fps in game.