UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IYVu6uYTyL7K6q9gC+GX2YeZaXtZdoAb+E0TTUOz4eg=' 
WHERE 
  key_id = '6db4bd87fa785fad7bf7b3fc75fd7c9c346c9281d78423d8698ea1ba6c3c2953' 
  AND (
    token = 'IYVu6uYTyL7K6q9gC+GX2YeZaXtZdoAb+E0TTUOz4eg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )