UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RDUhnx6aCX7UD0mlSWl325+jRq4PnKyZuCdXfbqNYWg=' 
WHERE 
  key_id = 'b8b1acdff4f6721dd2f4adf2c737492d890c84dfb672a44403cedb301b15a792' 
  AND (
    token = 'RDUhnx6aCX7UD0mlSWl325+jRq4PnKyZuCdXfbqNYWg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )