UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4OqsIDGhrzy4rrGSxICzAfgr8ncBLRGmXRyfpVq15TU=' 
WHERE 
  key_id = '50cad570ad37515eb0ff7ce09a7bd84a31638f8d7d3857404586a918559b5b91' 
  AND (
    token = '4OqsIDGhrzy4rrGSxICzAfgr8ncBLRGmXRyfpVq15TU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )