UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fVc4fk0D3BQ18kbxnDWDfXbbdgVIdNdsdIqlKYG8U6E=' 
WHERE 
  key_id = '52f4baa23ff858834a396353738999124dfbad65770a620ecbe275874ba1902f' 
  AND (
    token = 'fVc4fk0D3BQ18kbxnDWDfXbbdgVIdNdsdIqlKYG8U6E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )