UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0Kgp7jMYk7neXyU5HnJKKk7UaymPnQ3jhWvHgW8x6LI=' 
WHERE 
  key_id = 'f946c8d9ac1b31618d5b4af35a82ca569e9aba424706a53e506f83b3a38f110b' 
  AND (
    token = '0Kgp7jMYk7neXyU5HnJKKk7UaymPnQ3jhWvHgW8x6LI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )