UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K+pQz9vNQAQ3S9VdtFpqq+yJkVpbHZBzhRf7pszRnjk=' 
WHERE 
  key_id = 'c633fd47981e84b507821381165bdff9ac7352beaca4e419e8bb872d0c69ab96' 
  AND (
    token = 'K+pQz9vNQAQ3S9VdtFpqq+yJkVpbHZBzhRf7pszRnjk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )