UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Obz2ruTq2hE7Zf2vT66m7OyOLKnN2GolMx+XyuAq8+M=' 
WHERE 
  key_id = '29b4b345b2fe3ddb1ff7ccff07eacb69dcaedd2b29938479afb4b6d94b49f773' 
  AND (
    token = 'Obz2ruTq2hE7Zf2vT66m7OyOLKnN2GolMx+XyuAq8+M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )