UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2AbrD/AY07OKs2w9IlEWLUb1W8q4pduqU2GDTvKiQGQ=' 
WHERE 
  key_id = '421a833f5efd977cad406afed1e91889e3c97b805aa1c492a8f2695e0cc638fb' 
  AND (
    token = '2AbrD/AY07OKs2w9IlEWLUb1W8q4pduqU2GDTvKiQGQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )