UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7cSiBrDIxjL8xx5z5JvePtsFeybCC6r9I5EjDk2DS2Y=' 
WHERE 
  key_id = '6f4ab5db58f53a5414e4a59c06ee6138fbe98af900bfac1b2d4647f9ab2a72f4' 
  AND (
    token = '7cSiBrDIxjL8xx5z5JvePtsFeybCC6r9I5EjDk2DS2Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )