UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2LqI7/izQBaDBkmiU2PL81UOMumqgmAUmI2BK6by38U=' 
WHERE 
  key_id = 'fc86a94e513a7072e78c7f265c6b1256362547a53967819e9cfef6520235d140' 
  AND (
    token = '2LqI7/izQBaDBkmiU2PL81UOMumqgmAUmI2BK6by38U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )