UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZsXB/pntfa9px6TUeyzFH91qlNVUuErAzXdm7THw7bc=' 
WHERE 
  key_id = '8a7d1728da5f19675066fdef34b484a63d079bc598f995c6dcd669e08196526a' 
  AND (
    token = 'ZsXB/pntfa9px6TUeyzFH91qlNVUuErAzXdm7THw7bc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )