UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zktHX0xmoTVI9ezgmcN+ioxKz8kpEpK2x4OzZqGoPbw=' 
WHERE 
  key_id = '21aa30483d467816cca40fad6d12207bfc09af4fd1d86178f5dbdfb10ccf08b0' 
  AND (
    token = 'zktHX0xmoTVI9ezgmcN+ioxKz8kpEpK2x4OzZqGoPbw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )