UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PJRUAMhKw7gFTsT3Tss+fAhh/47QMa9hBUvlEkqUEkA=' 
WHERE 
  key_id = 'd21a886a9e2dc9b8a426c4ba56bb9d3da8519c485820bc5f87ab999c656a6a6f' 
  AND (
    token = 'PJRUAMhKw7gFTsT3Tss+fAhh/47QMa9hBUvlEkqUEkA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )