UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wCRPXkFYJ8gzuev02I7l8gzhS5ktqIdoVn/Ga57hQpc=' 
WHERE 
  key_id = '3910878dde10dafdcb631fa89868277d232cfe2707da274b63f64ef724d0f112' 
  AND (
    token = 'wCRPXkFYJ8gzuev02I7l8gzhS5ktqIdoVn/Ga57hQpc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )