UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mxw+J0BdB3mE7Xu8dxTcU8/VL0GqHsYN5tSQH9hsTDw=' 
WHERE 
  key_id = 'b1d36f1ccc25aa43038b9e71595fa39e04b9457aa571acd5a4ef9ccb3f3a660e' 
  AND (
    token = 'Mxw+J0BdB3mE7Xu8dxTcU8/VL0GqHsYN5tSQH9hsTDw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )