Yes ....
1. Start up your IronKey and open the Firefox browser to start Secure Sessions proxy. Minimize Firefox.
2. In Blink go to Tool >> Check for Updates >> Configure button >> Proxy Configuration tab. Select the manual configuration setting and then place a check mark in the "Use a proxy server for your LAN". Enter 127.0.0.1 and 8118 for the port.
3. Continue on with updating Blink. When your done, change the connection back to what it was before in Blink's settings.