Nine months? Has it been that long?!
What I found on my locks was the shafts were rusted solid so no matter what keys I tried there was no way they were going to turn. I've located a source for replacement lock assemblies. They are kinda pricey and since this is a long term project I've not purchased any as yet.
As far as getting the compartments open, I ended up using a large screw driver that I hammered into the lock assemblies to get them eventually turn. The only real treasure (surprise actually) was the large wasp nest that I found
I'm willing to send it to Gene if he would like to have his fair share.......