INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd21cf6d339c3965fdb5082137f8a04811a3daf44bd3002697b8d4bb09b43834f', 
    'mfMKyXLsx9MOhM+G/sVfoYto0YAi2euordNjme64V4o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)