UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UEu1m4mZGaXmfDWrPjd4gW4spV/WMMtNcWaAT1PTPk0=' 
WHERE 
  key_id = 'd15f48bbe2eae87d10d7ef9c21eaca470faebdcdd7bde681af96b463198039c8' 
  AND (
    token = 'UEu1m4mZGaXmfDWrPjd4gW4spV/WMMtNcWaAT1PTPk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )