UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lfnR8bORD1B4hmrDJE25XvR4G8NlgUDExqjMYuzWot4=' 
WHERE 
  key_id = '7a646c89b576dac428059b49ebc6b7e222ed93a0c4f58427cdb6238d705b7eb5' 
  AND (
    token = 'lfnR8bORD1B4hmrDJE25XvR4G8NlgUDExqjMYuzWot4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )