UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/6Crnt1Ck5kg9Hu3Yu/nsIpIYL/T5PGN/5G6zRAkj4Q=' 
WHERE 
  key_id = '1792d95ce98578a4e2a8f956644ebf0bc92bfc85053b8eaaa02fba0015ca0d9c' 
  AND (
    token = '/6Crnt1Ck5kg9Hu3Yu/nsIpIYL/T5PGN/5G6zRAkj4Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )