UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6djqtSExnj+UxUlq0EqYoomM6wERnxdiQpHHhnlJFnI=' 
WHERE 
  key_id = 'c18aa269852693d55df8d3778b440c4f20a3363b1507db40b1f6314e46d9666f' 
  AND (
    token = '6djqtSExnj+UxUlq0EqYoomM6wERnxdiQpHHhnlJFnI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )