UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UnnWonqEkU7fah0B6fkQQtmTF/XM0zYnAjb5OPhpFCQ=' 
WHERE 
  key_id = 'b4338004f2e1b2907698d80bab1315575c7c6367291b435b9c42380495daff72' 
  AND (
    token = 'UnnWonqEkU7fah0B6fkQQtmTF/XM0zYnAjb5OPhpFCQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )