UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zG5FlwSip69tGbz7xNkDgCJnr80JnZBw6Uzyw6cHV0g=' 
WHERE 
  key_id = '91a39107bc532964018f7b26f4c93e918c7f51d0d6404004a2f978123cb78904' 
  AND (
    token = 'zG5FlwSip69tGbz7xNkDgCJnr80JnZBw6Uzyw6cHV0g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )