diff --git a/src/sqlFunctions.ts b/src/sqlFunctions.ts
index d9ce4b1..879a09b 100644
--- a/src/sqlFunctions.ts
+++ b/src/sqlFunctions.ts
@@ -148,19 +148,19 @@ class SqlSystem {
         if(auctionid.length === lbin.length) {
           await conn.query(`
             INSERT INTO auctions (auctionid, LBin)
-            VALUES (?,?)
-            ON DUPLICATE KEY UPDATE 
-              LBin = VALUES(LBin);
-          `,[await this.UnifiedArray(auctionid,lbin)]);
+            VALUES ($1,$2)
+            ON CONFLICT (auctionid)
+            DO UPDATE SET LBin = $2;
+          `, [auctionid, lbin]);
         } 
       else if(Array.isArray(auctionid) || Array.isArray(lbin)) 
         throw Error(`Upsert SQL Function error - cannot unify collection ${Array.isArray(auctionid) ? auctionid : lbin} to singlet ${!Array.isArray(auctionid) ? auctionid : lbin}`);
       else {
         await conn.query(`
           INSERT INTO auctions (auctionid, LBin)
-          VALUES (?,?)
-          ON DUPLICATE KEY UPDATE 
-            LBin = VALUES(LBin);
+          VALUES ($1,$2)
+          ON CONFLICT (auctionid)
+          DO UPDATE SET LBin = $2;
         `, [auctionid, lbin]);
       }
       await conn.query('COMMIT');