UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6r5vv6CAAJG8Ay3XoWRcPkja0ih1b8FnNiu3eIRvrEc=' 
WHERE 
  key_id = 'dfce24956ef039e82f5ab0890b17fed2b644b8e858ede355d5f047041761eb56' 
  AND (
    token = '6r5vv6CAAJG8Ay3XoWRcPkja0ih1b8FnNiu3eIRvrEc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )