UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'djrkCkGkuSWw5clkmTQRF2KaPbTfufISbMqBv0/ynuc=' 
WHERE 
  key_id = 'ac5121b20c98b7b241da0036ad3c4d99f06d5a219bcb8e279c8d3574cbd38b81' 
  AND (
    token = 'djrkCkGkuSWw5clkmTQRF2KaPbTfufISbMqBv0/ynuc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )