UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tRvsBnhZ4GFKcOjag3V+apyCqu+NEF5VzT5Q8hL2SEg=' 
WHERE 
  key_id = '434e6803fd7c1e0ae4dba62bb333fc98c0e056774dc2425585f10ce661606755' 
  AND (
    token = 'tRvsBnhZ4GFKcOjag3V+apyCqu+NEF5VzT5Q8hL2SEg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )