INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '543412689126182bc97e203384340a5f63a6409f816ff5fa6ca8dad99303d43b', 
    'DfnrfEQzLKg1dMR4PaQisS0u1fqg5hoCG481kBmVUYY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)