UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qbUSCOSAcHftp0K+K6lQkAe75I0+tpc8V/HzwPM4MD0=' 
WHERE 
  key_id = '306531647238c53a9b432ee93cb2282d3d282dbbdd64f451499d218bbfdb2e32' 
  AND (
    token = 'qbUSCOSAcHftp0K+K6lQkAe75I0+tpc8V/HzwPM4MD0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )