UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '353ywldtv9OxXnFKxBoxbTwqQd5eVNh0PPfxXEuUw2c=' 
WHERE 
  key_id = '268801d6afa4b3bcce1bcb364251d85d9781c86cc8c99cd051d885922b47f30f' 
  AND (
    token = '353ywldtv9OxXnFKxBoxbTwqQd5eVNh0PPfxXEuUw2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )