UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nMvn5XmGKjp4y7eNK3bfff1qP8qE0prnD5+YZABTUZY=' 
WHERE 
  key_id = '39741677b07a9144e6130604e10477d0a17a1a68cd116bb5728c753b4b722395' 
  AND (
    token = 'nMvn5XmGKjp4y7eNK3bfff1qP8qE0prnD5+YZABTUZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )