UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PvDc9qE6DboDaOLwOgr2vnIinBrHkG9R41LX2ChZbqk=' 
WHERE 
  key_id = '6819b1f706dca8c3f061735f84bce430a26b197f722fa71eae23ab8a812c5ef4' 
  AND (
    token = 'PvDc9qE6DboDaOLwOgr2vnIinBrHkG9R41LX2ChZbqk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )