Anti-Zionist does not always mean anti-Jew. One can oppose the political concept of Zionism and not be a Jew-hater. However in the case of many Arab state media's use of the term "Zionists", they clearly mean Jews, and when it comes to these Hungarians there is no doubt whatsoever that they are expressing Jew-hatred.
Jordan foreign minister says to speak with Kerry on Israel-Palestinian conflict (Reuters)
from the article: Hungarian far-right plans 'anti-Zionist' rally for WJC meet in Budapest