INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6def717b568864f93689e0725fa18fe7584a0e4615da398f79a149e86a038948', 
    '+mbTWjY9IcIUxZhGypAJYIJrfqQFseAAkRlIG0hR7j4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)