How to restore an option_value with serialized data from backup data

Solved it by creating an update sql command from the backup insert sql, saving in a file using Notepad++, and imported via phpmyadmin. Maybe there had been an issue with extra newline characters or missing backslash escape characters when I tried before.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)