UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'F29ecWP0Lht8V5lXo+q6Rtgfs2luLK77x9MVgOT0jEY=' 
WHERE 
  key_id = '18e8a2dac4da82b6585c922b0db1f2d15f02bc22ea4be5fd27aabe9dc20b8561' 
  AND (
    token = 'F29ecWP0Lht8V5lXo+q6Rtgfs2luLK77x9MVgOT0jEY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )