UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WDQnzVeUQ0AFpm7+QkytgHFQiqWudKHC0E81grjW9VU=' 
WHERE 
  key_id = 'c9f71fb03a4163246d05ab0a90245ee6da52330003d11c9223a52145303eacf1' 
  AND (
    token = 'WDQnzVeUQ0AFpm7+QkytgHFQiqWudKHC0E81grjW9VU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )