INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '16e8756b5fdf7524fa9a33977cea7ba21bcfb5096d7cf42c3188e9be230477a5', 
    '6oEVwZILAXQbJQhyGSeUSMB4WdfqKAQmNeLPWjkKcBc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)