Since you have it working now, please mark the thread as solved using the "Topic Tool" button so that other forum users may know a solution has been found :)
Having a static Qt doesn't mean that all dependencies are gone. Qt might be static but unless you also link to the static version of all its dependencies, what you have is normal: OpenGL and the xcb plugin deps.
Please search the forum about that matter. It's been answer many times already. From your description, you have a newer version the MySQL libraries than the one that have been used to build the plugin. Likely version 18 instead of 16. The fast way is to download Qt's sources and build the plugin yourself like described in the documentation.
