UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yY3AskrwDDS39k4AZcWcmHqdihfQoRH3FSC7X+ltFQI=' 
WHERE 
  key_id = '6fe1ec9fbb6a571786f7781673c4d59e82233fa2538a3e3aa47681843bb4fdc5' 
  AND (
    token = 'yY3AskrwDDS39k4AZcWcmHqdihfQoRH3FSC7X+ltFQI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )