UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MeHQj4QgefeQivjw86bU5s1L6h6nMzfpQT3kBmQROQ4=' 
WHERE 
  key_id = '796afbe03a76c2b4d6c0802eba1fadad2d215d595b4bb34367f2aef87f947dd8' 
  AND (
    token = 'MeHQj4QgefeQivjw86bU5s1L6h6nMzfpQT3kBmQROQ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )