Invalid steam key

[Loud]

Hello! I was buy the game in 2013 on lofigames. now i tried to activate Kenshi on Steam, but its doesnt working. In email from lofigames was first key. And key for steam:

Also, because I am so benevolent and handsome, you get a free Steam key!
##REGKEY2##
To use it, go to [Games]->[Activate a product on Steam] and paste that code in. You'll still need the 1st code when Kenshi starts up though.

I think thats invalid key for steam? Please help me^)

[Koomatzu]

Hi Loud,

Sorry for the inconvenience - this is a bug in BMT Micro's system. You'll need to email them at orders (at) bmtmicro.com and ask them to send you your Steam key again.

[Loud]

Thank you!)
BMT
first time answer to me:
Hello,
Your steam key is ##REGKEY2##
Thanks,
Crystal

second time send to me new activation key & say:
Hello,
Here is your key. I am sorry for the confusion.)))