UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4UFVre8dVmGug32H9FYHtPo5nl1FX+mrSIb9ACPWPGA=' 
WHERE 
  key_id = 'a4f6832e926f35bfbfc408e1c2865c705dd0830622f02591a21856f60d7aca74' 
  AND (
    token = '4UFVre8dVmGug32H9FYHtPo5nl1FX+mrSIb9ACPWPGA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )