UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6bV0zlFVels3h899H8dl4OVr1sVrsImUgQIlgui7uFA=' 
WHERE 
  key_id = 'b95dbff3f885727e08ade3a1af807eac9c265064ddf6c674fa0ec4fabeea6cf6' 
  AND (
    token = '6bV0zlFVels3h899H8dl4OVr1sVrsImUgQIlgui7uFA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )