UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MQMq96hNG4xUjettiyRq7WSWD/HoDS3NLl2wi9a23oQ=' 
WHERE 
  key_id = 'ec78c69aa9239e95993950bfeae2b3dc499c6e5c03796403bea01c6ad926051a' 
  AND (
    token = 'MQMq96hNG4xUjettiyRq7WSWD/HoDS3NLl2wi9a23oQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )