If you have already the queries written and all
you need is to get the result of those queries out, maybe MySQL workbench is just what you need.
Workbench is free to download and use (it's from MySql itself). The biggest challenge will be to set up the MySql connection. Once connected, you just go to the DB and do the query, you can then export these results to Excel from WorkBench itself.
Warning: If you do follow this route of using MySQl Workbench, be sure to connect to it with a limited privileges user, in order to not to do any damages. WorkBench is a MySQL DB tool. It can do everything from queries to delete entire DBs or tables, so be careful. Thus the way to avoid these damages is to create a user that can't to these type of damages.