UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E532x7MOE5NeNYgRWa/Y83WPhdAIIbGEzjSDh9ZRJZU=' 
WHERE 
  key_id = 'b8502c161a6bb09a7d6c51b6c4fef761f7699cb935c2dd9d54d75563f31bfe8a' 
  AND (
    token = 'E532x7MOE5NeNYgRWa/Y83WPhdAIIbGEzjSDh9ZRJZU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )