UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mYKajEvF9dOyPog1rdmzsL7lJhwqy0YHi3kYFuUHJOk=' 
WHERE 
  key_id = 'f68f3238a521ff7bab50eb6971a7293bb17986b9bf3413417973d41c9ae933cb' 
  AND (
    token = 'mYKajEvF9dOyPog1rdmzsL7lJhwqy0YHi3kYFuUHJOk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )