UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8uguo3coQVkSw0w+Kxb4h3mQWrZrHI8KuQ1FJbiEoBY=' 
WHERE 
  key_id = '851e27939da784d66e35e77f23d32dc756f50f7803546137e0b76cd7b06e7bdf' 
  AND (
    token = '8uguo3coQVkSw0w+Kxb4h3mQWrZrHI8KuQ1FJbiEoBY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )