UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vedij8+k7XIpN4yMzzxeTwmgHvEPrrrHtQEgZN8xanM=' 
WHERE 
  key_id = 'fd520ab726490ca6a9c952999772f2c36a7ad44b436ac7a7b4cca9540ff0f657' 
  AND (
    token = 'Vedij8+k7XIpN4yMzzxeTwmgHvEPrrrHtQEgZN8xanM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )