UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '17PS+6GpsMw3oEMLlwKKddxSXfbaZCE8ae8KMuzw6nk=' 
WHERE 
  key_id = '39ea6435083b2b84818374e4999006a8aff50dab0db14cb537cbe559c31e0637' 
  AND (
    token = '17PS+6GpsMw3oEMLlwKKddxSXfbaZCE8ae8KMuzw6nk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )