UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iKJyYo7vMcOMt73EtZXOWLUyR84QgBiOKX+ronOydFE=' 
WHERE 
  key_id = '0b0c929900037ba7a4637b4f1afc9c9080ec694133a35d481be7ae3253ede773' 
  AND (
    token = 'iKJyYo7vMcOMt73EtZXOWLUyR84QgBiOKX+ronOydFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )