UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zj8mHP6Up1dDYQb7Yp3J/q5Rc9HwNr08Y38W5PadRGg=' 
WHERE 
  key_id = '81f8b6d0aad9be3e43edef5654e9b9991351d5555e2472ec57abf7aea8457d9a' 
  AND (
    token = 'zj8mHP6Up1dDYQb7Yp3J/q5Rc9HwNr08Y38W5PadRGg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )