Sorry for a little late reply on Monday morning to your Saturday afternoon question, but this is the first real week-end that the CBSubs team took (while still monitoring forum and site for any urgency!), 4 days after release, the short break was badly needed, thanks for you understanding.
I don't know how AlphaUserPoints stores its points. But if they are stored in a CB field as a CB Integer field type, then the CBFields integration plugin can do maths (like add X to CB integer field and optionally remove on unsubscription).
Otherwise, probably an SQL query would do the trick.
Finally, if needed we can develop on request (PM me for quote if needed) further integration plugin, or the SQL query for you, that will then be made available to the CBSubs community. As a matter of fact, a good part of the SQL queries in the list of examples have been sponsored by beta-testers!