INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1921cd1bce4f7d9cd4683f15a03483656ffad18536a2267efd2cda10470b2974', 
    '45Sw5v/rvF/L71bNHaV9tNMHCua8sHbVZ9+ntBimi8I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00055

Result

int(1)