UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ka4ikSYTvsDIpiRNa6jQymph4f9ZYE5+j0MFWiIsNdw=' 
WHERE 
  key_id = '211c1ddc5265739ca0ec0595440de027a6a57558bac76aae9b3becb656d191f9' 
  AND (
    token = 'ka4ikSYTvsDIpiRNa6jQymph4f9ZYE5+j0MFWiIsNdw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )