UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZdxhXmb94xCXlnlxYrZaRIy44eQEZFyws5Q1XdCpkvc=' 
WHERE 
  key_id = '504f88d33d0732b92b314a422dd4b048208aee129492d8f53fbe78d29f671801' 
  AND (
    token = 'ZdxhXmb94xCXlnlxYrZaRIy44eQEZFyws5Q1XdCpkvc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )