UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iAMrX2bJ4SftImNLCSneTnyrENTz0TOs/9WMnqCh+50=' 
WHERE 
  key_id = '1840648b3a42b4a7c70108f4ff35b053c4dcbec66b21f4af83ba58bb725c5a48' 
  AND (
    token = 'iAMrX2bJ4SftImNLCSneTnyrENTz0TOs/9WMnqCh+50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )