Leave a set of keys at your work. 
No one should dig through your desk. 
Driving back to work isnt the worst that could happen if you forget your keys. 

Satosora

> Or put a spare under a flowerpot or something.

I am way too paranoid for that

> 300$ is way too much for that kind of mistake!

Maybe kicking down the door would have been cheaper, haha

Stacker Saloon

saloon

They used to have spare plastic keys you could keep around in case of emergencies. 
Might be something worth looking into. 
Or put a spare under a flowerpot or something. 
300$ is way too much for that kind of mistake!