UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lx+7ujv1tXqtBkXOJq+f2dZBXKqeRynqmFdHVOziyzU=' 
WHERE 
  key_id = '500197eef7ee338a03bec47f76ec5a84940b3a3b9c6b97c51fd23174d6ec5b94' 
  AND (
    token = 'lx+7ujv1tXqtBkXOJq+f2dZBXKqeRynqmFdHVOziyzU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )