how to delete 2 rows with one query with mysql -

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hi guys how can delete 2 rows in 1 query 1 table. code is:

delete panel_friends                 friends_friend_id = ' . $k . ' , friends_member_id = ' . $key2 ,                 friends_friend_id = ' . $k2 . ' , friends_member_id = ' . $key 

delete    panel_friends   (friends_friend_id = :k1 , friends_member_id = :k2)         or         (friends_friend_id = :k2 , friends_member_id = :k1)

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