UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6T79mUOueshJy3Ls9fAp7draxtqGKUavQZg7U5FgUK4=' 
WHERE 
  key_id = 'b6360f12d3fbadec996869384b37698537796da254b81dd209e1605caa82b1d9' 
  AND (
    token = '6T79mUOueshJy3Ls9fAp7draxtqGKUavQZg7U5FgUK4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )