UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ckah9A+rpCmfZBMhIa/pS767LmXipDDPW2JukbEG3a0=' 
WHERE 
  key_id = 'e5e021f83c417c46f0b6bdae39c257de58ee4d2c9f1277ce89edb6a9c9a3d595' 
  AND (
    token = 'Ckah9A+rpCmfZBMhIa/pS767LmXipDDPW2JukbEG3a0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )