UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k91qiZ9Gu+9AV+i96DUZaBxuvb3lbkBqG8DnB16V1YE=' 
WHERE 
  key_id = '429b54a612040cfed707b286d0f13921bdd7dbb9c01d22b4c7fd86fc1d268628' 
  AND (
    token = 'k91qiZ9Gu+9AV+i96DUZaBxuvb3lbkBqG8DnB16V1YE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )