Why can't I complete this request?

Question

MySQL

event.getStart() = "01"; //name of columns in mysql
event.getEnd() = "03"; //name columns in mysql
event.getDate() = "2021-05-03"

jdbcTemplate.update("insert into schedule set ?=1, ?=1 WHERE date=2021-05-03",event.getStart() ,event.getEnd(),event.getDate());