INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4750f7013cd8293f6909cb4a204042e327409c63e5859c9068814ff6844e5775', 
    'K08am842TWyKurzZbTGcz0cPVXswylb6A0VJfMNEaEo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)