INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81f849f13036a1f2150dec86e734b2933896a6f1882d150d5aa601648fd89843', 
    'j6u9JngCgAZU0WxSjTgKfzuJuNX5Pl7iw6Xf5PZS0Bg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)