UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '15RSyWK28lDbwuzrrRHo4e1ZO50osiVDKRPaExjUs1o=' 
WHERE 
  key_id = '642a7a3bc3e9d2b9e9549001ffba785509c4ff3058819aeebb7da4a78686a0ff' 
  AND (
    token = '15RSyWK28lDbwuzrrRHo4e1ZO50osiVDKRPaExjUs1o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )