You can not do that directly. However, you can use prepared statements:
SET @y = date_format(curdate(),'%Y');
SET @t = CONCAT('create table `', @y, '` as select szallito_nev from beerkezes');
PREPARE stmt FROM @t;
EXECUTE stmtl;
-or, alternatively:
SET @t = CONCAT('create table `', date_format(curdate(),'%Y'), '` as select szallito_nev from beerkezes');
PREPARE stmt FROM @t;
EXECUTE stmtl;