UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MMd5dUH6r+xqAXMbg95WOD4MeDekTVz8PszJE81kjLs=' 
WHERE 
  key_id = 'd6d202c5e58fe32ab522c07aeeebd13fd8b8d6bbdbe46a0c29940092d23e06cb' 
  AND (
    token = 'MMd5dUH6r+xqAXMbg95WOD4MeDekTVz8PszJE81kjLs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )