Php help

What its meant to do is look in Column partno. Then check if there are any part numbers starting with 5R. Once it done that  it should insert the value 5R RACING into the blank SEARCH column inline with it.

Select partno LIKE "5R%" INSERT INTO rocket (search) VALUE (5R RACING)

Recieved the error

You have an error in your SQL syntax near 'INSERT INTO rocket (search) VALUE (5R RACING)' at line 1

any ideas how 2 do this? or point me to reading material to help?

Thankyou