UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PN0grWhM8hgOXgTPpOhYImcYTof5MIEqWKq8qy+PBPg=' 
WHERE 
  key_id = '53b40c5a64329d0a55e5d805c24aa66d24d641003dedbc77dd75cb21a4b3084a' 
  AND (
    token = 'PN0grWhM8hgOXgTPpOhYImcYTof5MIEqWKq8qy+PBPg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )