UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AaeX6POJbu0HAofrP2Rm+jIBGw1FD2rPy0Gf20CQ8js=' 
WHERE 
  key_id = '8c04484bdae58e9a4d50460fcd1e9a835533dac56916bd0a7aa0c114b6f679eb' 
  AND (
    token = 'AaeX6POJbu0HAofrP2Rm+jIBGw1FD2rPy0Gf20CQ8js=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )