horrible sql

horrible.sql

Select *, 
           acos(sin($lat)*sin(radians(event_latitude)) + cos($lat)*cos(radians(event_latitude))*cos(radians(event_longitude)-$lon))*$R As distance
    From (
      Select search_view.*, images.image_url
      From search_view, images
      Where search_view.event_image_id = images.image_id
      AND event_start > ?
      And event_latitude>$min_lat And event_latitude<$max_lat
        And event_longitude>$min_lon And event_longitude<$max_lon
      ) As FirstCut 
    Where acos(sin($lat)*sin(radians(event_latitude)) + cos($lat)*cos(radians(event_latitude))*cos(radians(event_longitude)-$lon))*$R < $rad
    Group by event_url
    Order by event_start ASC";