UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xEhlkJfSLTUhm4A4QTDWPpEwCBvCGMujqwfMUGRSjhU=' 
WHERE 
  key_id = '4b1b833d511277f4ed6cb06279e8e2dc976edcf9e1c32e760881b96c78cbda45' 
  AND (
    token = 'xEhlkJfSLTUhm4A4QTDWPpEwCBvCGMujqwfMUGRSjhU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )