UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'De3WxJSLKqd5pM5e77U30PohD35kRzbzw7/Uq337His=' 
WHERE 
  key_id = 'c2af51d00e137aff16ea528967c7b79a8b5f36fba3f09b1a8a093c4815dac299' 
  AND (
    token = 'De3WxJSLKqd5pM5e77U30PohD35kRzbzw7/Uq337His=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )