UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u3PCJfW5Mvej27Fzw5FfF6miDBiisc3G97h5gzaPyWI=' 
WHERE 
  key_id = '46ad6a762be85a1e6e85bb65e8229b7671cc3806ad92b3466187f3bfa41745aa' 
  AND (
    token = 'u3PCJfW5Mvej27Fzw5FfF6miDBiisc3G97h5gzaPyWI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )