INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81f6f53fac7daeed394ed7b76c289c2647eb432ad8bb9539b88045412fd353b3', 
    'k2wP1e3KJW5eAnadqlVa3qiA2HmzWkH9PcmeVajtMc8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)