It appears you're attempting to execute a SQL injection or testing for vulnerabilities in a SQL database through the use of a delay command. The command you've provided appears to be a request intended to exploit a time-based SQL injection vulnerability.
If you're looking for help with security testing, please ensure you have explicit permission to test the system in question, as unauthorized testing can be illegal and unethical. If you have questions about SQL injection vulnerabilities, secure coding practices, or want to learn more about database security, feel free to ask!