UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bj3NJVLClC1Ml7KQ7c+Q3awiWcd3nw0vehmRwx0KopI=' 
WHERE 
  key_id = '0e1e3bc29b20bd9ded65cbb8fb674f323244e77ddd8e729350beb29514ac9897' 
  AND (
    token = 'Bj3NJVLClC1Ml7KQ7c+Q3awiWcd3nw0vehmRwx0KopI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )