UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vaq8hX7WVzk7Btt41xA23UiRFOXi0z9/UU3XsT1rKFo=' 
WHERE 
  key_id = '8b708a4ac2ce731452ea5a5226fa01d3ade13e4ce3dd37692a955c2affccffd3' 
  AND (
    token = 'Vaq8hX7WVzk7Btt41xA23UiRFOXi0z9/UU3XsT1rKFo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )