perf(go): simplify identity binding lookup

go/vehicle-gateway/internal/identity/resolver.go

@@ -161,7 +161,7 @@ func (r *MySQLResolver) Resolve(ctx context.Context, env envelope.FrameEnvelope)
 }
 
 func (r *MySQLResolver) lookup(ctx context.Context, column string, value string) (string, error) {
-	query := "SELECT vin FROM " + r.table + " WHERE " + column + " = ? AND vin IS NOT NULL AND vin <> '' ORDER BY updated_at DESC LIMIT 1"
+	query := "SELECT vin FROM " + r.table + " WHERE " + column + " = ? AND vin IS NOT NULL AND vin <> ''"
 	var vin string
 	err := r.db.QueryRowContext(ctx, query, value).Scan(&vin)
 	return vin, err