Were the House to approve the resolution, Senate Majority Leader Mitch McConnell would be required to bring it up for a vote on the Senate floor within 18 days. The resolution is “privileged” under parliamentary rules, meaning that it takes precedence over other matters that could be brought to the floor. Under Senate rules, the resolution cannot be delayed by a filibuster.
https://www.pbs.org/newshour/politics/how-congress-could-block-trumps-national-emergency-declaration