INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a3ffbb4d01bf4a984e7b2dbaf928b537a1c5a792365cc4545afd5daf307875d6', 
    'tz/4RF01AbGMm8ztF/WTqVZ5D9osb0EuVWJEa9Svktw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00047

Result

int(1)