UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zobf9eZUcA018rzqqr1w047y8+InwyPcXWtleyxpDAE=' 
WHERE 
  key_id = '4c77bf957fd207a02a2e5ae339e80e516c39184797235417abc70718a97d1798' 
  AND (
    token = 'zobf9eZUcA018rzqqr1w047y8+InwyPcXWtleyxpDAE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )