UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rf+X2ZrwWS80fLKjeag3EC94FPOoxWpp5TxUYdZJy1k=' 
WHERE 
  key_id = '47eada553e2f7bae53b1467d98c57d81cee9857b3207323a053ee1823825f19e' 
  AND (
    token = 'rf+X2ZrwWS80fLKjeag3EC94FPOoxWpp5TxUYdZJy1k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )