UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'imM5cPBNMsGtKky07pcIEghZ1QvnoUMxt6tGxqhlMcg=' 
WHERE 
  key_id = 'ee69b1c0386eea32e324b718c760d880315aa8b40f189b3de13fcae3fb275236' 
  AND (
    token = 'imM5cPBNMsGtKky07pcIEghZ1QvnoUMxt6tGxqhlMcg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )