INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'fd51d01639be89033cb4fc4c8e877cd767a7651c06ae57d56bb579a133e63fea', 
    '3WtabjsTJfOKInQi+O4YxZ5b9gCP6qAqpBH869GwKog=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)