UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n3iqoku3zYHA2AZzh8frU5zUbzGlEHPYXaX8CoU3/dg=' 
WHERE 
  key_id = 'd95b82935ca13898a99dca0a5230294e1ebbe771de305d07103753794f68aebb' 
  AND (
    token = 'n3iqoku3zYHA2AZzh8frU5zUbzGlEHPYXaX8CoU3/dg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )