Mine also started out at a 40% lock up and its now at a 60% lock up and has stayed there for years. I wouldn't worry about it, even at 40% its a burly knife to be honest.
If you want to accelerate the processes try flicking it open as you use the speedsafe, it will break in faster that way.
If you want to accelerate the processes try flicking it open as you use the speedsafe, it will break in faster that way.