UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ew5cRmHoc4BHvWa3xoBWHn6HF3cxq+Kj0paUgSVHjQg=' 
WHERE 
  key_id = '821df10f323f9eadcacbce1ea4bc108af9035a46cd25db47cb5238343b581119' 
  AND (
    token = 'Ew5cRmHoc4BHvWa3xoBWHn6HF3cxq+Kj0paUgSVHjQg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )