UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SsyV8XB7yWDMu3s7b33Y9NkBeKbNTM4gkjnpIUFg2mQ=' 
WHERE 
  key_id = 'cb3bddaf396162f640157a1aea1793e0d3a575785eb1ebe13ec95180b9f4c40c' 
  AND (
    token = 'SsyV8XB7yWDMu3s7b33Y9NkBeKbNTM4gkjnpIUFg2mQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )