UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sd+Dbljl9Fq4Jhuw9lTmGJj7gNQYDjdRKAb7WH+AX5k=' 
WHERE 
  key_id = 'b91d3d7787814b9798f82267a6eb0dca834260095083659a753c44b537002663' 
  AND (
    token = 'Sd+Dbljl9Fq4Jhuw9lTmGJj7gNQYDjdRKAb7WH+AX5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )