UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MGAwLX1yeXOyKv/xXNnV6hOkRLD6LN5eoChBcWNmYns=' 
WHERE 
  key_id = '6ef9806528d273d7087e3032afd558f024ee7fa6aebdae1cec024febb16c9898' 
  AND (
    token = 'MGAwLX1yeXOyKv/xXNnV6hOkRLD6LN5eoChBcWNmYns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )