UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm6H/Y6aDGbdLioN8b6A3lwUnbqxRtphy8CA4BTsyEo8=' 
WHERE 
  key_id = '21fd9d5111778bd8bed7b9c29f9fd1039122d9237705cd06ea6441e19bf2139f' 
  AND (
    token = 'm6H/Y6aDGbdLioN8b6A3lwUnbqxRtphy8CA4BTsyEo8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )