UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z6O+CLHwk7B/xKoCDWxDpkpY7wmxF28+Ep2MggVnBQU=' 
WHERE 
  key_id = 'a1851d04966d37bb6b536c332f2dcd4b87ed602831bb8b5364211073a4d2336b' 
  AND (
    token = 'z6O+CLHwk7B/xKoCDWxDpkpY7wmxF28+Ep2MggVnBQU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )