Sandbox

SELECT 
  ushop_shippings.shipping_id, 
  ushop_shipping_descriptions.shipping, 
  ushop_shipping_descriptions.delivery_time, 
  ushop_shipping_descriptions.description, 
  ushop_shippings.rate_calculation, 
  ushop_shippings.service_params, 
  ushop_shippings.destination, 
  ushop_shippings.min_weight, 
  ushop_shippings.max_weight, 
  ushop_shippings.service_id, 
  ushop_shippings.free_shipping, 
  ushop_shipping_services.module, 
  ushop_shipping_services.code as service_code, 
  ushop_shippings.is_address_required, 
  ushop_shippings.wk_en_delivery_time, 
  ushop_shippings.wk_time_dispatchr_period_data, 
  ushop_shippings.wk_time_end 
FROM 
  ushop_shippings 
  LEFT JOIN ushop_shipping_descriptions ON ushop_shippings.shipping_id = ushop_shipping_descriptions.shipping_id 
  LEFT JOIN ushop_shipping_services ON ushop_shipping_services.service_id = ushop_shippings.service_id 
  LEFT JOIN ushop_storefronts_shippings AS storefronts_shippings ON storefronts_shippings.shipping_id = ushop_shippings.shipping_id 
WHERE 
  ushop_shippings.status = 'A' 
  AND ushop_shippings.shipping_id IN ('') 
  AND (
    ushop_shippings.min_weight <= 0.001 
    AND (
      ushop_shippings.max_weight >= 0.001 
      OR ushop_shippings.max_weight = 0.00
    )
  ) 
  AND ushop_shipping_descriptions.lang_code = 'en' 
  AND (
    ushop_shippings.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, ushop_shippings.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, ushop_shippings.usergroup_ids
    )
  ) 
  AND (
    storefronts_shippings.storefront_id = 1 
    OR storefronts_shippings.storefront_id IS NULL
  ) 
ORDER BY 
  ushop_shippings.position

Query time 0.00064

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}