UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PZy+uZrmnERugeEWVpdqhMt5nUTNv+XkCBNpjy8v12E=' 
WHERE 
  key_id = '4bf51c308adf8f4c6b552b665682037692bc597e63e22dda172d2bc76f31c889' 
  AND (
    token = 'PZy+uZrmnERugeEWVpdqhMt5nUTNv+XkCBNpjy8v12E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )