UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'drdQm44blTsUavnVUxWPE1n4iTNp1CPBjrqNpsFOUjU=' 
WHERE 
  key_id = '7898ef7ca70fd9362e4c2eedd70f2408c37cc7a3cd8c334245f116fd1c56a6f9' 
  AND (
    token = 'drdQm44blTsUavnVUxWPE1n4iTNp1CPBjrqNpsFOUjU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )