UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zDhd8ZemSx5Hn1YSXO3SScUWQuxPonhuWYjkPqLPb84=' 
WHERE 
  key_id = '4674bd2bf1cb8895de1fb78afd477537f2a5b666a513f12c6a6e6fcc0c871ea2' 
  AND (
    token = 'zDhd8ZemSx5Hn1YSXO3SScUWQuxPonhuWYjkPqLPb84=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )