UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AjwtlUSE03nHOnxFjif5PwztaNGkTeMIwPoHNlIqVWk=' 
WHERE 
  key_id = '1a3c70e3b767e09544127621b684982672c41b8bf6043c803f428c7918fdbb14' 
  AND (
    token = 'AjwtlUSE03nHOnxFjif5PwztaNGkTeMIwPoHNlIqVWk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )