UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UWzAJks+yzywZzpjfNIAsEEoQYs0MDMzJ9DSY3VLEvM=' 
WHERE 
  key_id = '6784900059861bccc462100f29e4e43d9d0dc6aca740d7e1f572bbc7672e3934' 
  AND (
    token = 'UWzAJks+yzywZzpjfNIAsEEoQYs0MDMzJ9DSY3VLEvM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029