UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yz2zEFgZWKqM8dSBcK6uiqzqeadwBpy7ZWpIB/aKxjw=' 
WHERE 
  key_id = '3751f9845cd6a66627370e157f009218a69ec94f6e73d962a73834ad254baa96' 
  AND (
    token = 'yz2zEFgZWKqM8dSBcK6uiqzqeadwBpy7ZWpIB/aKxjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )