INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21c54c93682f17102ebd58bc0f390c9b8a7f7bb5258a701396561eac7c798e34', 
    'N6Evgkt8GBtjRFhkM/jKyLi9F1WZx7Mc08pcc3tDVvA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)