# 导入MySQL
import pymysql

# 连接数据库
conn = pymysql.connect(host="111.111.111.111", user="11111", password="1111111", port=3306, db="11111",charset="utf8")

# 创建游标
cursor = conn.cursor()

"""根据last_sync_time字段更新数据为“2020-8-30 23:35:23”"""
# 语法为：" update 表名 set 字段 = ‘ 要更改的数据‘"
sql = "update t_car_detail_city set last_sync_time = ‘2020-8-30 23:35:23‘"

#  执行sql语句
cursor.execute(sql)
#  提交操作
conn.commit()
cursor.close()  # 关闭游标
conn.close()  # 关闭连接