UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4p6j0vB5CDy46ZRPbp+7EUVc8zKY+jj0tt3uXtaaYF4=' 
WHERE 
  key_id = '646caeb3fee15e77a1e7b51314c9bed2492b5b0969c46193fe3f90c092c07c6c' 
  AND (
    token = '4p6j0vB5CDy46ZRPbp+7EUVc8zKY+jj0tt3uXtaaYF4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )