UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't8DdxprOz3RhRJtESERYavqzV7/28P7GPvaOmwu0FJg=' 
WHERE 
  key_id = 'f7fc21b4a5dc300cb64bb331fd4466cd4bd4fc5d86dc91b4b78c27bcfb2ca8e4' 
  AND (
    token = 't8DdxprOz3RhRJtESERYavqzV7/28P7GPvaOmwu0FJg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )