UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6sFeaGQlTvIjsTeTyzfOJk3WDNjCmZ7Ga9pNotuWgOM=' 
WHERE 
  key_id = '28323a70cdf5928dcf1ff4bc734ea57782b99c0f9b64e7a37a4f91f9988634d8' 
  AND (
    token = '6sFeaGQlTvIjsTeTyzfOJk3WDNjCmZ7Ga9pNotuWgOM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )