UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zm7uhxYi1qLsbUyQrizX/fytn8BO1OPmHo8cdl6HXVw=' 
WHERE 
  key_id = '7df942d6a9738f89df3153ac3334ee0a3227b4f11074be8be37f088db141aa77' 
  AND (
    token = 'Zm7uhxYi1qLsbUyQrizX/fytn8BO1OPmHo8cdl6HXVw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )