UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I4UTVL9Q4/P/9RV5tdD0ZuDreVnnMhlBZJscsFaSDkg=' 
WHERE 
  key_id = '91cf017d75761a6c9189bc21c5f03b147255179fb22dd655cb981b9bc2e8d633' 
  AND (
    token = 'I4UTVL9Q4/P/9RV5tdD0ZuDreVnnMhlBZJscsFaSDkg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )