UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xifaHwqEJWMJ4rYATD0wQiWSqV48g3S0usQdeX1vkMs=' 
WHERE 
  key_id = '1c991a64e5147d7c394a91e819d91886a87c27df1c9a1195089303812cea5ff4' 
  AND (
    token = 'xifaHwqEJWMJ4rYATD0wQiWSqV48g3S0usQdeX1vkMs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )