UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H3S6RVv3htikK5/FQzZdYvkqGj4pboN8X8FyJhcrc5I=' 
WHERE 
  key_id = 'e9de43d348c45d4580752cbd3900ec775e192f57f96b73f5ae8521d3367df817' 
  AND (
    token = 'H3S6RVv3htikK5/FQzZdYvkqGj4pboN8X8FyJhcrc5I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )