INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '335aa95b6038d83db719b7048baa32283f533b345689045ee764123adbe9d2fa', 
    'r1aejfUU9AkgvjWPf1XGAhEl5tTz1mk8C9NuZnmV++Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)