UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PP8Lt3e76mp6xNXzhm9hm3h2SrfFbyyNF/x+EZjVrk0=' 
WHERE 
  key_id = '93df47081eab304c8d43e781b00232416a49fcd1ae4eba349d7829fb1e8531ee' 
  AND (
    token = 'PP8Lt3e76mp6xNXzhm9hm3h2SrfFbyyNF/x+EZjVrk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )