INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a876c9353e0ee9f0dbb6d838b00ea366854fbb24974e29a421f8ffebda29926a', 
    'z76Gu9yiuKoD2rMXtpa9iT/sM+gKVUiZzOJow3bhJGE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)