UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rYGlS2XMWKSYiKUjkGNykVC0ikI1aT4aTWMVz5R5kFg=' 
WHERE 
  key_id = '6d78a386e725dc574a47aae8e6858f65e8cbc155f8d3614220d0872082b7d4f6' 
  AND (
    token = 'rYGlS2XMWKSYiKUjkGNykVC0ikI1aT4aTWMVz5R5kFg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )