UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iaN3yjD2A0stS6uIjpLtt3i3ASjEJcr3ywwgWrMFaLU=' 
WHERE 
  key_id = '9ff65b9da45a6d5f5cb489b2ea2bddd12f483f3cd5703e7c393bccd2783ee88d' 
  AND (
    token = 'iaN3yjD2A0stS6uIjpLtt3i3ASjEJcr3ywwgWrMFaLU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )