UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1NH6Vt7Bnab8kojsFFwpJVwvO0P7TXhmut5k8iMTdlM=' 
WHERE 
  key_id = '1951817b167d59854a37c0dc102c3548eb428032f5f01c2f30b8e9894110ed64' 
  AND (
    token = '1NH6Vt7Bnab8kojsFFwpJVwvO0P7TXhmut5k8iMTdlM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )