You either change your position or your economy will continue to degrade and more of your factories will get closed and you will lose more positions on the market of automobiles and will get higher unemployment rate and higher unrest levels. And given your multicultural policy of welcoming Muslim immigrants - the unrest may get accelerated with just a few more "incidents" where someone rides into a crowd again or decides to start a jihad on some street in one of your cities.
Hungary by no means has a veto on everything. The 27 EU member states vote on most issues by qualified majority (55% of member states = 15 countries, and >= 65% of total population). On a narrow set of issues (foreign, defense, finance, treaties, EU enlargement) they have a veto.