UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nwgWFzVBBvT2pPIFmvUJUkykdpoaxkQIxAAvf9tJ+ek=' 
WHERE 
  key_id = '91cdf96ec9d840e7133459a42e26cfa2087761a406cf3ae1d923bd4d2565e76c' 
  AND (
    token = 'nwgWFzVBBvT2pPIFmvUJUkykdpoaxkQIxAAvf9tJ+ek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )