UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pHG9vf6V22HzdBg3pRqDxqbkpI/iFzimDl+k5Qr7jwc=' 
WHERE 
  key_id = '6938b43df9cc48c403bb6c52d02ae7ebdaa1a4a83a054e6bcc662fe976b75758' 
  AND (
    token = 'pHG9vf6V22HzdBg3pRqDxqbkpI/iFzimDl+k5Qr7jwc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )