UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PlJauXjzY3MiQLlJhvyIKYJEOxz9FTK4YKil9lKFpLc=' 
WHERE 
  key_id = '21d6dc3cded5b70cc4058be332a53bbfc70d6f3da4cf5d0d2b46efa7841f1a36' 
  AND (
    token = 'PlJauXjzY3MiQLlJhvyIKYJEOxz9FTK4YKil9lKFpLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )