UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7btrp107hRlzUVeOOXjYXYKZja6rxj4LfYRoGF3nLV0=' 
WHERE 
  key_id = '6a6cd1cc0b507b36cf05662f4896030a5b42e440d5cee8c3b4e6213171513cfe' 
  AND (
    token = '7btrp107hRlzUVeOOXjYXYKZja6rxj4LfYRoGF3nLV0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )