UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iu3qrrqR6eob74t+SjcryuPWO8wBG50ni8rcOV5Sx7Y=' 
WHERE 
  key_id = '6434b57175a0e6475876f6dbde4e7be14638017c9e4d6be66dcb6175c32f014a' 
  AND (
    token = 'iu3qrrqR6eob74t+SjcryuPWO8wBG50ni8rcOV5Sx7Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )