UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dQ2FHUeuRA+GUjqcFlzx3P20WHsJ+kOo9+1Z4oXmzjI=' 
WHERE 
  key_id = '30027dbdb711474865a6673a38ac9893390740a2e7cc0807671cb5d23d008e4a' 
  AND (
    token = 'dQ2FHUeuRA+GUjqcFlzx3P20WHsJ+kOo9+1Z4oXmzjI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )