UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'irU6C7iO5E10hdOO0oGnd/6dfVkpbKUtXv1ja6oeNrk=' 
WHERE 
  key_id = 'd346c6f476b8fa0e4e486ab84f85692b81e23cfae5fbd9a70592fc76e1bf1ef1' 
  AND (
    token = 'irU6C7iO5E10hdOO0oGnd/6dfVkpbKUtXv1ja6oeNrk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )