UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MX2YnlD9EtxHF7b7KdYm3w6Kg8zek9HZcXWJmyKZVCU=' 
WHERE 
  key_id = '151f3fd590041287b1546b0639155384167c88d39e1313f8eb54030e1a7d21f8' 
  AND (
    token = 'MX2YnlD9EtxHF7b7KdYm3w6Kg8zek9HZcXWJmyKZVCU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )