UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bclZoXsCNeVRxrOyzbfl084YHqKGRNVhlQXFLjxqDZs=' 
WHERE 
  key_id = '8e3471044fe641d67127eaba9164b47400256e2001f0d4e60fd4a4d6030218b2' 
  AND (
    token = 'bclZoXsCNeVRxrOyzbfl084YHqKGRNVhlQXFLjxqDZs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )