UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k7EYRwT0iWVZSbixl8KvoOC/v8VNiLk39cUFnRFgNng=' 
WHERE 
  key_id = '8afd9b692f8c35200707fd8976da9f13024790df6e7d5c8027dfcb11cbfcb295' 
  AND (
    token = 'k7EYRwT0iWVZSbixl8KvoOC/v8VNiLk39cUFnRFgNng=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )