UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pPCuqYJlQvM12Xo5Gydtu0gOVBN4UT34bI7fHy4obvA=' 
WHERE 
  key_id = '39f216e32e747b3f96a8a55fb2e5499e7862cacce7251228b13246803e98828b' 
  AND (
    token = 'pPCuqYJlQvM12Xo5Gydtu0gOVBN4UT34bI7fHy4obvA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )