UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gyk1bbjwSh7DtEuzUUU4Fdx1SsVmeZwICqafSFV7oEY=' 
WHERE 
  key_id = '3b818d7764bbde1aa362d07c1e156eebb777695434281ac9dc283a472bff2502' 
  AND (
    token = 'gyk1bbjwSh7DtEuzUUU4Fdx1SsVmeZwICqafSFV7oEY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )