SELECT x, y, z, f , g , h
FROM torrents
INNER JOIN w ON w = x
WHERE y =  '2' OR y =  '7'
AND  f =  '1'
AND h < 4294967296

SELECT x, y, z, f , g , h
FROM torrents AS tabela1
INNER JOIN w  AS tabela2
           ON tabela1.w = tabela2.x
WHERE ( y =  '2' OR y =  '7' )
AND  f =  '1'
AND h < 4294967296

SELECT x, y, z, f , g , h
FROM torrents
INNER JOIN w ON w = x
WHERE y IN ( 2, 7 )
      AND f = 1
      AND h < 4294967296