The task "Export MobileID/Time-Based Tokens", is a task script that allows the export of a XML file containing all MobileID/Time-Based token assignments.
Exporting token Assignments for MobileID/Time-Based Tokens
In order to export token assignments for a MobileID/Time-Based Tokens you will first need to navigate to "Administration | Tasks", left click of the context menu for the task "Export MobileID/Time-Based Tokens", and selecting the context menu option "Run";
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If your intention is to import these tokens into a different server, then it may be necessary for you to either adjust the serial numbers of these exported tokens, or change the serial number counter in the importing server (in order to prevent possible duplicate serial numbers being generated at some point at a future date).