UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4G/FDivO9EozKf3OD/3+02PfXETU650K9gu1VukExvo=' 
WHERE 
  key_id = '71cc88c4ec4f51e88b13e245e823aee66b9a7eb51e05b5df7ce698181a3e1196' 
  AND (
    token = '4G/FDivO9EozKf3OD/3+02PfXETU650K9gu1VukExvo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )