snd_list = [[1411,'603006669'],['111','111']]
await c.execute("UPDATE Zakazi SET snd_list = %r WHERE id = %s", (snd_list,id))
CREATE TABLE test (
`id` int NOT NULL AUTO_INCREMENT,
`data` JSON,
PRIMARY KEY (`id`)
);
INSERT INTO test (data) VALUES ('[["1411","603006669"],["111","111"]]');
select * from test;