UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dN/aVKzqeQ6rHrX0igGmAAkoHEiAxDF82p5ZvEaQOkI=' 
WHERE 
  key_id = 'a6de2b793a192aac5630ecfa51067bb73e8ce79768150409d8fd3caf61a771c8' 
  AND (
    token = 'dN/aVKzqeQ6rHrX0igGmAAkoHEiAxDF82p5ZvEaQOkI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )