UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mcdTK9Rn+Byjx22tFpgQ5d/0xq73btSSsz3lDiSuAZ8=' 
WHERE 
  key_id = '8c2a124b0c3d252140a6e44d5257ebefbefbe6d271ec258fac826e3451915561' 
  AND (
    token = 'mcdTK9Rn+Byjx22tFpgQ5d/0xq73btSSsz3lDiSuAZ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )