UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pHWRcUQLp7FT5U56YnEV7FnxML2akKRd8i+z6LNxIzA=' 
WHERE 
  key_id = '6a540aee04a28e1b799e7b967496a6ea9eb61ed7b3d1688e2cfec4cfb6af9868' 
  AND (
    token = 'pHWRcUQLp7FT5U56YnEV7FnxML2akKRd8i+z6LNxIzA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )