UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'o6MnzjHcu0kDXnFTPf3Gtrz75dl2ZsV9Q2bIotHabbE=' 
WHERE 
  key_id = 'd75ca25670f9006490ea4219158389d8bede8ad62fa49744918352be4bf8fcd6' 
  AND (
    token = 'o6MnzjHcu0kDXnFTPf3Gtrz75dl2ZsV9Q2bIotHabbE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )