Ok I went from 323 to 362 using the internal update function.
It definitely gave me an "ERROR" in capital letters, but it was so fast that I could not read the rest.
Afterwards, it asked if I want to take smartcoin.db and I answered tf, for getting your db.

Although I thought that it won't work anymore, it just works like a charm. And since the update I have a rejected of 0.00 %. This is weird. Normally, after starting smartcoin, I got ~12 % rejected, falling slowly to 3.25%.