INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2a3494ea1e6d43a54ec9fa5a80396aacf5a321ba0420b49555ba4075372a6707', 
    'iOjhSki17DNuL6ZzuBk6BCFO2JQxGZeA7K+dr4+Mnho=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)