UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '21XZDPJXQhr56muzni3b8wEHjomTsFArbHdKfZyAiEw=' 
WHERE 
  key_id = 'f4cdfc6f3f828ce78df560793f63228fb475d3bcce312806dad98e34de86ab1e' 
  AND (
    token = '21XZDPJXQhr56muzni3b8wEHjomTsFArbHdKfZyAiEw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )