UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U1Qb2a806RzH1rY37gIAfIE4xCHHMjHr7csEUY4+L5w=' 
WHERE 
  key_id = '9e91404b2aed2babe17628f898ea4b3d1d7dec43a4d79621a9394948d7d25a78' 
  AND (
    token = 'U1Qb2a806RzH1rY37gIAfIE4xCHHMjHr7csEUY4+L5w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )