UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Aw4UewtKAY0QjnzGgcP4yDbLn7pXCgCjLsIduMJwWUc=' 
WHERE 
  key_id = 'a4d35e4496a65477c9cedfa11a1bab98eed754f0c39f467b39597fe3fb75871c' 
  AND (
    token = 'Aw4UewtKAY0QjnzGgcP4yDbLn7pXCgCjLsIduMJwWUc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )