INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '894ca463efb19ab8888214e2001cb5b25c2395a9923ecea3d3907a2c6a6b7be2', 
    '5pxQ4N48Sob+uI+F/YTKFhVW4bLHUEvMkUhzsTpZa5w=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)