UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Or4G4HnYWsfjQ+MaEGIjIxD7LsdSziK7YGBGJDJ6m/w=' 
WHERE 
  key_id = 'bd6597291b1a60f82b21a0397ce6031ed03562eb525a67115795af6905647784' 
  AND (
    token = 'Or4G4HnYWsfjQ+MaEGIjIxD7LsdSziK7YGBGJDJ6m/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )