query to a SQLite DB in android

I have a table in DB called TABLE_3 which has several columns....and I wanna do a query to that table using conditions for two of its columns

KEY_SPEED>prefix

and KEY_USER_ID_=user_id

but I don't know how to write it...can someone help me with that...here is how my query looks with only one of the conditions....How should this look with 2 conditions?

public Cursor getViteze(int prefix,int user_id)
{

    Cursor mCursor=db.query(TABLE_3, new String[]{KEY_ROWID_3,KEY_LONGITUDE,KEY_LATITUDE,
            KEY_SPEED,KEY_TIME,KEY_USER_ID_},
    KEY_SPEED + ">" + prefix,null,null,null,null);
    return mCursor;
}

Thx!

UPDATE:

public Cursor getViteze(int prefix)
{

    Cursor mCursor=db.query(TABLE_3, new String[]

{KEY_ROWID_3,KEY_LONGITUDE,KEY_LATITUDE, KEY_SPEED,KEY_TIME,KEY_USER_ID_},

    KEY_SPEED + ">" + prefix +"开发者_运维问答 AND "+ KEY_USER_ID_ + "=" + 

3,null,null,null,KEY_SPEED + " DESC");

    return mCursor;

}

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The condition argument is like WHERE clause in SQL, so you can concatenate your conditions with AND and OR, something like the following,

KEY_SPEED + " > " + prefix + " AND KEY_USER_ID_=user_id"