UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R0iscN+LfVyr2SgZkmNJNcdxIKLAwrS5tEBxSz6/kDE=' 
WHERE 
  key_id = '504bcbd21fd992d0c65f8811a59f8efd765f6d3c72b8acfe27371e58cc4599fe' 
  AND (
    token = 'R0iscN+LfVyr2SgZkmNJNcdxIKLAwrS5tEBxSz6/kDE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )