my $point = "POINT( $data{'lng'} $data{'lat'} )";
my $query = $dbh->prepare("SELECT idUSRN FROM USRN WHERE idUSRN > 0 ORDER BY ST_Distance_Sphere( ST_GeomFromText( ?, 4326 ), center ) LIMIT 10");
$query->execute($point);
my $usrn = $query->fetchrow_array;