UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IL6JqgeuYzC7feeXkdMdZ/sz8IsKx5NURnomwBtQl/Q=' 
WHERE 
  key_id = '968ddfffa771b64152ae695d868bc594ca8929d97acae3279c64aba31b89df20' 
  AND (
    token = 'IL6JqgeuYzC7feeXkdMdZ/sz8IsKx5NURnomwBtQl/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )