UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6+4bZp6PO3ITdtb51fjjgvQIr8BqacaZ9fXucPFoTI=' 
WHERE 
  key_id = '88a3bb90fc94bf522a44006c3214468c280898d984095f36f1a0dec4aa3b73ef' 
  AND (
    token = 'r6+4bZp6PO3ITdtb51fjjgvQIr8BqacaZ9fXucPFoTI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )