UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uTGWtok59vJx4UWNK66ikxVfonTeQT54a7AmZqoNFMA=' 
WHERE 
  key_id = '83b1c49697303c0972aa0e890c5a95a4add2c82785fbac406e87747a0457c700' 
  AND (
    token = 'uTGWtok59vJx4UWNK66ikxVfonTeQT54a7AmZqoNFMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )