SELECT 
  product_review_id 
FROM 
  ushop_product_reviews 
  LEFT JOIN ushop_users ON ushop_product_reviews.reply_user_id = ushop_users.user_id 
  LEFT JOIN ushop_companies ON ushop_users.company_id = ushop_companies.company_id 
  LEFT JOIN ushop_country_descriptions ON ushop_product_reviews.country_code = ushop_country_descriptions.code 
  AND ushop_country_descriptions.lang_code = 'es' 
WHERE 
  1 
  AND ushop_product_reviews.product_id IN (134) 
  AND ushop_product_reviews.status = 'A' 
GROUP BY 
  ushop_product_reviews.product_review_id

Query time 0.00050

JSON explain

{
  "query_block": {
    "select_id": 1,
    "filesort": {
      "sort_key": "ushop_product_reviews.product_review_id",
      "temporary_table": {
        "nested_loop": [
          {
            "table": {
              "table_name": "ushop_product_reviews",
              "access_type": "ref",
              "possible_keys": ["idx_product_id"],
              "key": "idx_product_id",
              "key_length": "3",
              "used_key_parts": ["product_id"],
              "ref": ["const"],
              "rows": 1,
              "filtered": 100,
              "attached_condition": "ushop_product_reviews.product_id <=> 134 and ushop_product_reviews.`status` = 'A'"
            }
          },
          {
            "table": {
              "table_name": "ushop_users",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY"],
              "key": "PRIMARY",
              "key_length": "3",
              "used_key_parts": ["user_id"],
              "ref": ["ushop_shopping.ushop_product_reviews.reply_user_id"],
              "rows": 1,
              "filtered": 100
            }
          }
        ]
      }
    }
  }
}