UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NK/Ag+lt5ez4To98Mz/g2dul/hoMUjARsrEeXxPVIdw=' 
WHERE 
  key_id = 'bf27a594ffe2868f073525fb70b6363898c9b4b10b3d95e42b453a7bb6a9cb82' 
  AND (
    token = 'NK/Ag+lt5ez4To98Mz/g2dul/hoMUjARsrEeXxPVIdw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )