UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4oh52H/METHCMkwhQpVt39RoprdHgX/maVP+kPeU+WE=' 
WHERE 
  key_id = '176d9ff83e727fb60b3ce70def1730740718fa129fc60952dea3dcb73e6025ec' 
  AND (
    token = '4oh52H/METHCMkwhQpVt39RoprdHgX/maVP+kPeU+WE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )