UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2kDb8jwFu9X2Vkk66YgZ7fRsvb1Xxv2I1QItcFY5z94=' 
WHERE 
  key_id = '18f2c0797ba08717927c8032226f2113cfb66d2515b1fb97aaeb8e6ee17a97c4' 
  AND (
    token = '2kDb8jwFu9X2Vkk66YgZ7fRsvb1Xxv2I1QItcFY5z94=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )