UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NkyfpS9cqrYFmkE3o/H9JI7t+RSExg4bUTeqdbZWl+U=' 
WHERE 
  key_id = '850c811a178987b50d357c1b18d2865a921f167544592f8033d918ab3b3b160f' 
  AND (
    token = 'NkyfpS9cqrYFmkE3o/H9JI7t+RSExg4bUTeqdbZWl+U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )