UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dYOQ3tgUBFMvFhzO6s/6hrXfzJzXqxsoalTblAOHk30=' 
WHERE 
  key_id = '6c38cbc251572f07f362685de027a8d25455997596501b44574109a354362a17' 
  AND (
    token = 'dYOQ3tgUBFMvFhzO6s/6hrXfzJzXqxsoalTblAOHk30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )