UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oGHjum1eF6Pzu+abqSCt6VU3Wk2etpHcmMXlVih9sRk=' 
WHERE 
  key_id = '9d69b16a6f8dff20738e231b67c18937f18f1172a7b9da4a810823a1d14a0a8f' 
  AND (
    token = 'oGHjum1eF6Pzu+abqSCt6VU3Wk2etpHcmMXlVih9sRk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042