UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dD8DBBQvnQg2TQ3K292clZCAxO0OnDbVSnnApY96M/s=' 
WHERE 
  key_id = 'b6f9076e1028205bb38f33a0661627b274d0c5e02b64f8f1a9cae29d882527ab' 
  AND (
    token = 'dD8DBBQvnQg2TQ3K292clZCAxO0OnDbVSnnApY96M/s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )