INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8439c66707981e7712551d2dc080fda780292fd6233ce5648e0efa257d70d38c', 
    'QizdzK4xIhArtjAtjLdew5lVAr0DRu/BolYe2M6PyQw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)