Hello,
Tried to search and found no topics with “mul-t-lock”. Just throwing this out there to Wyze, as maybe in the future, you can have a kit available to go along with your Wyze Lock + Gateway. As currently it’s incompatible. 
The Mul-T-Lock branded single cylinder lock I am refering to is below:
Thanks for your time.
[Mod Edit]: Title modified to be more specific and to enhance search clarity.