UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sUwZD9nn96W26mlJQTK3qgiw/XOMu6wIKC3IWR5bRKs=' 
WHERE 
  key_id = '3f9a90c7b16a7b1f72d1784d9d0a06834220fb80dadc38c0a8845f758a281f39' 
  AND (
    token = 'sUwZD9nn96W26mlJQTK3qgiw/XOMu6wIKC3IWR5bRKs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )