UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JLcAZ1ed79zk87vkimXYKd2MTXyWN3SXnGmct6bFnoU=' 
WHERE 
  key_id = '28e69965a02e0be275ea04fa0781ca06161251c2da45d58ec3367449b01a6a14' 
  AND (
    token = 'JLcAZ1ed79zk87vkimXYKd2MTXyWN3SXnGmct6bFnoU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )