UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K5eVQNjEwwIEhJqroTG8n7gIgMeA7xyvksWEoQCzcmY=' 
WHERE 
  key_id = '7d284f62a6b1d9f19f732c0036dd976cae8adf141957e8ddd3c920c2434f6434' 
  AND (
    token = 'K5eVQNjEwwIEhJqroTG8n7gIgMeA7xyvksWEoQCzcmY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )