UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '19psRyUyAIqPzkWZoqClUL9Xox2g8ExiksU5Nfa+ULM=' 
WHERE 
  key_id = '4ae955972706db588fcd1dbe78e32f65ecab62aec398bcb720271ed7c439f7e9' 
  AND (
    token = '19psRyUyAIqPzkWZoqClUL9Xox2g8ExiksU5Nfa+ULM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )