UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PtMvw+Kw/dARPXwDEaXR0mdhjki/0ihhtkVarzvDCzE=' 
WHERE 
  key_id = '46f0a645b9658bbf7f4aa10cee60edbf5ffdfc4a862c35d405c8145cd5808393' 
  AND (
    token = 'PtMvw+Kw/dARPXwDEaXR0mdhjki/0ihhtkVarzvDCzE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )