INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '715884189534b31dee6e19d4d6e487e1e990a76018bdc5a7129dea5114ad2faa', 
    'P+1nzYOLXqSjfoXQUKWWwFP7jjpnMSFrvNbftojKrYg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)