UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uufQmwwc8wM9HJeqDSfH8iJhuN77+tinHZi8HnwtkCg=' 
WHERE 
  key_id = 'a4785cb8d2c2df20f9f898296f3cfc52e1e36fa191c2c49cec7e5b71c3492ca6' 
  AND (
    token = 'uufQmwwc8wM9HJeqDSfH8iJhuN77+tinHZi8HnwtkCg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )