INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81487c9e8c2cd2fdf23dc349ccb40b17b16e8c5205a88f9420c4290cf149f862', 
    'MuUbywzfUCcn2UQrjPhtWz8qtSuQtWtNJ97V7/jYpdw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)