UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P54bkUg+4ocZCPb74NSFVZ+voi07tsKtSCUSFl65oSg=' 
WHERE 
  key_id = '34e9dc04c80b8a1aca004567b64cabf2be46c0efacc88f965628e50d3374a4d9' 
  AND (
    token = 'P54bkUg+4ocZCPb74NSFVZ+voi07tsKtSCUSFl65oSg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )