UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G4utXZMPXpYXBAfR7ZLkumTxjff3mtG8Czffi9y2KLI=' 
WHERE 
  key_id = '665a40e529a8fd1619ea6c9c9d28d8f8ce18067fa0b53f86733f1d79b0464d6e' 
  AND (
    token = 'G4utXZMPXpYXBAfR7ZLkumTxjff3mtG8Czffi9y2KLI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )