UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DF1NNt9Y2/gyFV4brnQRwSDk9A6och/XssPeSgITHCQ=' 
WHERE 
  key_id = 'a8a2603bb56a8f727bb8c90a832336f732d82452f7c4ba99a7437b631235b311' 
  AND (
    token = 'DF1NNt9Y2/gyFV4brnQRwSDk9A6och/XssPeSgITHCQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )