UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Jgy0/TGsoFczHoOmQgXuE0UMzJOjY5CojYxrS67C+8A=' 
WHERE 
  key_id = 'ef516a2d9e56103d7e32ea7e4230a55727a18fccf752310ebfd2bed2a128bd4e' 
  AND (
    token = 'Jgy0/TGsoFczHoOmQgXuE0UMzJOjY5CojYxrS67C+8A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )