UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xEOdOv8MGp5bqoZ6ptE4oioONr2k/oDc6I8HYY5vMm0=' 
WHERE 
  key_id = '51946c6bc75b62951c6c180a98a1f18f25420c542784f9438a141a117d84dfa2' 
  AND (
    token = 'xEOdOv8MGp5bqoZ6ptE4oioONr2k/oDc6I8HYY5vMm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )