INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4ff0a476b970409b954546336c761ee78f614b114026fb402b439451e796fbe9', 
    'hSgh46H0r7aBh2A2I6uVhhXVEe8DZiYc0zCNd/9iNJ8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)