UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CNcDbaht1UJujHL/ulG4UndSsKb0ZmqJHjM0ia5BOfg=' 
WHERE 
  key_id = '504c8b0d921b4037da66c8bf090e03ea4d466da6259668b20d3a39f2fe31bed7' 
  AND (
    token = 'CNcDbaht1UJujHL/ulG4UndSsKb0ZmqJHjM0ia5BOfg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )