www.makemkv.com

I just downloaded the English (26485 entries) keydb.cfg and put it in C:\Users\XXX\.MakeMKV, unfortunately MakeMKV still couldn't dump it. (also tried the French file for good mesure, no bueno)

MKB20_v77_GODZILLA_MINUS_ONE_343A.tgz submitted to svq@makemkv.com
The disc (from the FR Steelbook) is most likely the same as the UK and ITA Steelbooks/Deluxe Editions releasing in a few days.