UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6fLoIf5SZqX0iNADs4UYNd1hJgBmmlAI4KvV+jiGGQ=' 
WHERE 
  key_id = '3cac765372620ec2baad965239a86c3e296a982cd00f382b97ca764b3c31840a' 
  AND (
    token = 'r6fLoIf5SZqX0iNADs4UYNd1hJgBmmlAI4KvV+jiGGQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )