teszt
$meta_query = array( 'relation' => 'OR', array( 'key' => '121210', 'value' => '12314314', 'compare' => '=', ), array( 'key' => '00000', 'value' => '11111', 'compare' => '=', ), );
$meta_query = array( 'relation' => 'OR', array( 'key' => '121210', 'value' => '12314314', 'compare' => '=', ), array( 'key' => '00000', 'value' => '11111', 'compare' => '=', ), );