UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a8gAbI+0lSlV88D6t8ltCjm3PRV/IxHVdR0FyPiaKoI=' 
WHERE 
  key_id = '20f8b062a02fa6f6ee4a92f0f3a9dd7b83f7fb849c3fdbe329cd5ebe75be46d7' 
  AND (
    token = 'a8gAbI+0lSlV88D6t8ltCjm3PRV/IxHVdR0FyPiaKoI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )