UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dpjUC8RPzzJd1twSPe6NMKo3wpphEImlaPIfdACY8ZU=' 
WHERE 
  key_id = '6d5c21a6de07079b6c8300dc1614f9b0331c5f2a8bc1b847ed6ecdab31505484' 
  AND (
    token = 'dpjUC8RPzzJd1twSPe6NMKo3wpphEImlaPIfdACY8ZU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )