Can I bulk import Computer Loction to the existing computer records please?

Can I bulk import Computer Loction to the existing computer records please?

We have all the computers registered in Desktop Central. In another system we have the location of all our users. I need to update all the Computer Location fields for the computer based on last login or possibly computer name and then keep this up to date. I need to automate at least the initial import.
 
I assume from a coupe of the forum posts that I cannot get direct access to the MySQL database and tables. This would be my prefered method if I could.
 
There is also an "Import from CSV" option on the computer view. Will this update records if it finds a matching computer name and/or user name, or just create new records?
 
Many thanks
John

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