INSERT INTO wp_shopp_price (
              wp_shopp_price.product,
              wp_shopp_price.label,
              wp_shopp_price.context,
              wp_shopp_price.type,
              wp_shopp_price.donation
       )
       SELECT 
              wp_shopp_product.id,
              "Price & Delivery",
              "product",
              "Shipped",
              'a:2:{s:3:"var";s:3:"off";s:3:"min";s:3:"off";}'
         FROM wp_shopp_product
        WHERE id NOT IN (SELECT product FROM wp_shopp_price);

Update prices on Shopp

wordpress

MySQL