UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z0bzfirv8r5ZvGBKqLZnONhMpMaz4IisfDOg+GuZOIU=' 
WHERE 
  key_id = '4d660df13a5f7f088c4c1c7ee2d8b9423aa7d809255211bb3092fe7518020b48' 
  AND (
    token = 'Z0bzfirv8r5ZvGBKqLZnONhMpMaz4IisfDOg+GuZOIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )