UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JCTMw2eaoqeiKBC8x1aiS5MAS7BAbcDJMFWS20YyjDo=' 
WHERE 
  key_id = '6ed89058ab81615eed6d70c5e98b071c9d96d5f4f801cf858a37cd2a35353f1c' 
  AND (
    token = 'JCTMw2eaoqeiKBC8x1aiS5MAS7BAbcDJMFWS20YyjDo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )