UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qzFN7vU+wyIAXa3hYqw3eOnishNoDPfTtwmUEtqGUeo=' 
WHERE 
  key_id = 'd6c0d851375dd58272369fabf38a1aa5995633d573d80b9a8bfb74fb0e0cf239' 
  AND (
    token = 'qzFN7vU+wyIAXa3hYqw3eOnishNoDPfTtwmUEtqGUeo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )