{keyword}' And 3697=3697 And 'crak'='crak -

It looks like your query contains some SQL injection syntax ( ' AND 3697=3697... ), which is usually used to test website security. If we strip that away and focus on the core concept of itself, one of the most "interesting" features of this attack is Blind SQL Injection .

In a standard attack, the database might error out and show you data directly. In a attack, the page doesn't change at all. Instead, hackers use "time-based" logic: they tell the database, "If the admin password starts with 'A', wait 10 seconds before loading the page." If the page hangs, they know they guessed the right letter. It’s like playing "20 Questions" with a computer using only silence as an answer. {KEYWORD}' AND 3697=3697 AND 'craK'='craK