mysql更新子句被忽略。

I have a table with a date, ID1, ID2 score1 and score2. I am trying to update one row through php when the user has entered the specific date and id's in an html form. I have validated all the user entries. When I run my query it updates all rows in the table instead of just one. Here is a snippet of my code:I have a table with a date, ID1, ID2 score1 and