UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fWFdjCrMNtlA2cu9cIiK13aKElJMz5dIcEMCc5LLzYM=' 
WHERE 
  key_id = 'e256f05789caab84e9f6b201cf994f73640e29c863b70dc94a170252b702cba9' 
  AND (
    token = 'fWFdjCrMNtlA2cu9cIiK13aKElJMz5dIcEMCc5LLzYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )