UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BRkzktDWFkKZp6xvVxpfgqFJznudY1O4RBDTEtoRKxY=' 
WHERE 
  key_id = '8c29c816e19db83a1ea064feb3e42a460c47d2dbe26f9e4863881a3016c30053' 
  AND (
    token = 'BRkzktDWFkKZp6xvVxpfgqFJznudY1O4RBDTEtoRKxY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )