UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+ffyUFSMWdYx78G8LVtyziUUViWCJbOJWzsIuIS1Yg8=' 
WHERE 
  key_id = '1f844b0c7d5183e29664318d5477faa20e270df378652a83b77b241dc171eb4c' 
  AND (
    token = '+ffyUFSMWdYx78G8LVtyziUUViWCJbOJWzsIuIS1Yg8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )