UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HKj+KLFIbVgw3EfbhgUv0PcXkzDiqmuJ9yCg0/4fYZk=' 
WHERE 
  key_id = '1a76e5a86f79d953acf6ea72c9dc45ccd93c779495977155195e6101f4a0af4d' 
  AND (
    token = 'HKj+KLFIbVgw3EfbhgUv0PcXkzDiqmuJ9yCg0/4fYZk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )