UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wSDz50NeyJpjzbYfin1bUf77tPJhCLD6sN5wdhsPX3Y=' 
WHERE 
  key_id = '81ca2050acc26d8460c6f73d27f09251009b401bd7f2e9070046c4b903a42bd8' 
  AND (
    token = 'wSDz50NeyJpjzbYfin1bUf77tPJhCLD6sN5wdhsPX3Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )