UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MSBEgXDIEgnAzOKY9UOmT2WV8RzlecoDB3VTgVK/FIQ=' 
WHERE 
  key_id = 'b76719fc65357a20f8d23f409e2707f08a8726330c2bc78046000d9fcb62710e' 
  AND (
    token = 'MSBEgXDIEgnAzOKY9UOmT2WV8RzlecoDB3VTgVK/FIQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )