UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xk+ORctODd55w5xRmx5MjHbnCzslFJYiUthYWYUIhDk=' 
WHERE 
  key_id = 'b7f9fae6b6942de1512d4c32588a831e652634d388a252421430906dda3df542' 
  AND (
    token = 'xk+ORctODd55w5xRmx5MjHbnCzslFJYiUthYWYUIhDk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )