UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6cLlxyjLnzfEbeRTbNDDr8Xm0HYKgfTCIb3fQVW6b+0=' 
WHERE 
  key_id = '809de9fb9ffdfd7a3fa276261f3d5c6c1bfccf05c505c17f2e7a6bda7f8e5268' 
  AND (
    token = '6cLlxyjLnzfEbeRTbNDDr8Xm0HYKgfTCIb3fQVW6b+0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )