SELECT *,
    SQRT(
        POW(69.1 * (? - geo_lat), 2) +
        POW(69.1 * (? - geo_lon) * COS(RADIANS(geo_lat)), 2)
    ) AS distance
FROM posts
WHERE id <> ?
AND FROM_UNIXTIME(created) >= DATE_SUB(NOW(), INTERVAL 1 MONTH)
HAVING distance < 1 AND distance IS NOT NULL
ORDER BY distance
LIMIT 25;
