UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fyAU1pxaMmvCD/sp8EArsCBV9/QqY+5PLSNZClEZcYA=' 
WHERE 
  key_id = '47dc43718cac1c54860b512b5cb6dd1080f7d95f1b050925b5501bf70fce8649' 
  AND (
    token = 'fyAU1pxaMmvCD/sp8EArsCBV9/QqY+5PLSNZClEZcYA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )