Find a Tradesperson in London Colney

SELECT a.memberID, a.memberName, a.memberURL2, a.memberImage, a.memberDescr, a.categoryString, a.townID, b.countyID, COALESCE(c.isPaid, 0) AS isPaid, c.listingType, a.isVerified AS premierMember, b.place_name, b.county, a.liabilityFile, a.liabilityExpiry, a.idFile, a.addressMatched, CASE WHEN c.upgrdSpokenTo=1 THEN 1 ELSE 0 END AS secondStageInterview FROM ( SELECT memberID, memberName, memberURL2, memberImage, memberDescr, townID, isVerified, liabilityFile, liabilityExpiry, idFile, addressMatched, categoryString FROM members WHERE isActive=1 AND memberID IN ( SELECT memberID FROM ( SELECT *, MIN( ( 3959 * acos( cos( radians(51.72692) ) * cos( radians( lat ) ) * cos( radians( lng ) - radians(-0.30016) ) + sin( radians(51.72692) ) * sin( radians( lat ) ) ) ) ) AS distance FROM members GROUP BY memberID HAVING ( distance <= 15 OR countyID=79 ) ) z ) ) a INNER JOIN areas b ON a.townID=b.id LEFT JOIN ( SELECT memberID, 1 AS isPaid, MAX(listingType) AS listingType, MAX(expiryDate) AS expiryDate, MAX(upgrdSpokenTo) AS upgrdSpokenTo FROM listings WHERE listingType>=0 AND expiryDate>NOW() GROUP BY memberID ) c ON a.memberID=c.memberID GROUP BY a.memberID ORDER BY isVerified DESC, listingType DESC