UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mUJDEQzn37wVsoctYINRfxl6LNZhT29JIuKzc0pvlbg=' 
WHERE 
  key_id = '3dcba1b38378e2e853808cb75c38e72946e51faef5325d6e83520fe260f0833b' 
  AND (
    token = 'mUJDEQzn37wVsoctYINRfxl6LNZhT29JIuKzc0pvlbg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )