UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UF6OlLfJLvwwLKudyElEtDEoTACn7FVzUn3pTAjHRWg=' 
WHERE 
  key_id = 'caa76d5e668216414ddec9c40feac09dd08c8086c90fac7034827bac3c873519' 
  AND (
    token = 'UF6OlLfJLvwwLKudyElEtDEoTACn7FVzUn3pTAjHRWg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )