UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6XyUgS2c3X5pFIIgtt8nAHc+80zmbLyg6RjsAJBfHB4=' 
WHERE 
  key_id = 'a471bd2019d2ff87503290dcbb00f23591ea7da54126146725d170be1a3aeb68' 
  AND (
    token = '6XyUgS2c3X5pFIIgtt8nAHc+80zmbLyg6RjsAJBfHB4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )