UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QM6ahEzbe2cSaGUsQcBtgh9PZUQn1VrDY57wTj43pz4=' 
WHERE 
  key_id = '50975834513c5419c699184c160d6ec231977aff831bad3f305f61c66dedc700' 
  AND (
    token = 'QM6ahEzbe2cSaGUsQcBtgh9PZUQn1VrDY57wTj43pz4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )