UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vsfh6Rl4txxM09ZaOXNiX2SrwjSvK5ppW9WN0XCcq/w=' 
WHERE 
  key_id = '4823c95c4e9464693110148b989562463a20fdd438abaa870822a3c1c9ae3712' 
  AND (
    token = 'Vsfh6Rl4txxM09ZaOXNiX2SrwjSvK5ppW9WN0XCcq/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )