UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z+rxRw2YJdLkZRRqv9wdFUZAAKKHQGxeFq0aWsbeavM=' 
WHERE 
  key_id = '2883963621e5b50a5a59d17a202e91929d108338198aac1a217cbd597ac8c65f' 
  AND (
    token = 'z+rxRw2YJdLkZRRqv9wdFUZAAKKHQGxeFq0aWsbeavM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )