UPDATE table_name AS alias_1 INNER JOIN (SELECT * FROM table_name WHERE column = value) AS alias_2 SET alias_1.column_1 = value WHERE alias_1.id = alias_2.id
其中inner join后面的内容可以是任何的查询语句，包括连表查询。
原文：https://www.cnblogs.com/mrnx2004/p/12043605.html