UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PxyhSEp5p6wWgkg5B3s7TaolQgKvdFU4bLKq0JL4TFI=' 
WHERE 
  key_id = '30f90ac7c08e4f2c99e6f27485545a9999613041a48decf8410023c44bac5dc5' 
  AND (
    token = 'PxyhSEp5p6wWgkg5B3s7TaolQgKvdFU4bLKq0JL4TFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )