thx guys it works fine!
this is my sql code:
Rotate a polygon - who stay in this same center point.
update table_name set wkb_geometry=(
SELECT
translate(
rotate(
translate(wkb_geometry,-x(centroid(wkb_geometry)),
-y(centroid(wkb_geometry))),
radians('2')),
x(centroid(wkb_geometry)),
y(centroid(wkb_geometry))
)) where ogc_fid='id_object_to_rotate';
maciek