UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UnuUhBfk6m5fNR6PXaydfw9FZNmPuYwn9i5hKhC/WyM=' 
WHERE 
  key_id = '639c17a26734b46684c4e0ac146e295ba1250343156ccb7fb07d53c189ed0d0a' 
  AND (
    token = 'UnuUhBfk6m5fNR6PXaydfw9FZNmPuYwn9i5hKhC/WyM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )