UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a91qmuX0byN6oZLinQtddksm3rvE8skkZNdSJQg6YPs=' 
WHERE 
  key_id = '951430d8f0111f5e2c739c51c71f92c4aeb6794bdad0bade2b427c714eadf59e' 
  AND (
    token = 'a91qmuX0byN6oZLinQtddksm3rvE8skkZNdSJQg6YPs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )