UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xS6Rbp7+3ZcmMAa8sCXediWwqsFWfUjUeIsvrMujm+o=' 
WHERE 
  key_id = '9b8b99f5f300fd35ba881a515dca5b4ff3eed23f5a12a9fa93532a345d18bbac' 
  AND (
    token = 'xS6Rbp7+3ZcmMAa8sCXediWwqsFWfUjUeIsvrMujm+o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )