UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eO15r4RP8QnfjTNpCZEecSJYja8Jy1L4gBg7ufhgJck=' 
WHERE 
  key_id = '835fc31f6719da498dd6bda5f6582a093da471be2490285b3c74e7fc45dd499b' 
  AND (
    token = 'eO15r4RP8QnfjTNpCZEecSJYja8Jy1L4gBg7ufhgJck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )