UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QhgTVZ1E9tbBO4slp5H5vkjr4sdNH35KC3QaKofFgHM=' 
WHERE 
  key_id = '39d44e7035c755ce85b2963929edb2f31f626584e1b98417177911547fca20f4' 
  AND (
    token = 'QhgTVZ1E9tbBO4slp5H5vkjr4sdNH35KC3QaKofFgHM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )