UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3Dze6iby+urMJSIsrHbyrNA0fcBpvE4ONI3HjaNhtcs=' 
WHERE 
  key_id = '43e414f986af80de3f6add1c02b19f945492301c2030267f5020502d855c0fd9' 
  AND (
    token = '3Dze6iby+urMJSIsrHbyrNA0fcBpvE4ONI3HjaNhtcs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )