UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zkc8na/Az83IqYxwO5ZIFn/oMdupUvlA0UC5ze9wkVo=' 
WHERE 
  key_id = '4a786b46de3a5dde3ba4b9b86401ff8fc73c6435fc971a0533ed09465ab22333' 
  AND (
    token = 'Zkc8na/Az83IqYxwO5ZIFn/oMdupUvlA0UC5ze9wkVo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )