UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w1PZSQnzmTtn5DYLaEnoOuB1wDHjACnFkR1nVUKPdGY=' 
WHERE 
  key_id = 'f1af7432985dd64f8870740b7596ac3bca210d3b7d4b0ee912cbe0682a518c91' 
  AND (
    token = 'w1PZSQnzmTtn5DYLaEnoOuB1wDHjACnFkR1nVUKPdGY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )