This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
If it were me I would just set up a table with a large-binary column (or whatever MySQL calls that), then use a PreparedStatement with an INSERT command and the setBinaryStream() method to connect the PreparedStatement with an InputStream pointing to your Excel document.
(Which isn't "huge" if it's only 60K. "Huge" is where it's several megabytes.)