UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g4Ak2ORhknyNx0bAHH9PG9Ka1OKGQWveKpsWCYYzRZw=' 
WHERE 
  key_id = 'abbd7546458c58b37321e0de9de8b8d6f022c4bf71c4f51bb5c13c63eccc6093' 
  AND (
    token = 'g4Ak2ORhknyNx0bAHH9PG9Ka1OKGQWveKpsWCYYzRZw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )