UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gUnXPa5DLpflh2DB/Qu9KtGzRT83lTkJrbNZD5wVVT4=' 
WHERE 
  key_id = '646e1cf61a94742ba7bb695c8554a2c8fe567ff733ac5132b5fb81c52379e29a' 
  AND (
    token = 'gUnXPa5DLpflh2DB/Qu9KtGzRT83lTkJrbNZD5wVVT4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )