UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OPREo5xYKFabXk8aPyVp3M+s2Hh4C+tIfY2fdllR3pE=' 
WHERE 
  key_id = '3f5c49d3eb30af98fafac142113cebd2693cc2ba6b093dfec63223f507e90319' 
  AND (
    token = 'OPREo5xYKFabXk8aPyVp3M+s2Hh4C+tIfY2fdllR3pE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )