UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1mLEjq7YEw3ChlohExPbo6Htw7wFJ1VkwfrxlsADHCA=' 
WHERE 
  key_id = '8420da6a2aaaf0a335b439f8ae074e24a5ea62236259d336eb478d246bce3794' 
  AND (
    token = '1mLEjq7YEw3ChlohExPbo6Htw7wFJ1VkwfrxlsADHCA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )