UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TMnbQs106KNenTjBHhLEYpuENaaFhqqx7duzn3g2N5k=' 
WHERE 
  key_id = '47bff93fd04e2b9d08ccf32fc32baca162ab97bb50e06d852549a462480749f9' 
  AND (
    token = 'TMnbQs106KNenTjBHhLEYpuENaaFhqqx7duzn3g2N5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )