UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4qwku8LYBOC2vkdgBOMZoaBRgnKEq0FMgZs7nwBy8a4=' 
WHERE 
  key_id = 'b20880a98cfec7761ef06222c312b0e81f80999a486b6f2be0061c9a006e3f74' 
  AND (
    token = '4qwku8LYBOC2vkdgBOMZoaBRgnKEq0FMgZs7nwBy8a4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )