Thanks Scrupulous for your advice.
Yeah, the idea for springs, which are controlled with the main key is quite good. Now I have to think all mechanic scheme for the all key/lock system.
P.S.
If you have other ideas, you can post them, I will be happy to check them!
EDITI made small sketch with similar lock, but for doors, but I need drawings or closeup pictures with this lock in real life; or you could suggest any company, which makes similar door lock?!