UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vNkuuOqfhp841ubS/ICkMLqU47M97twj40p3KqVxHDE=' 
WHERE 
  key_id = '6a2a90d0dea55082b7559effcd425be5d9d89f785b7aeade894b76278443358a' 
  AND (
    token = 'vNkuuOqfhp841ubS/ICkMLqU47M97twj40p3KqVxHDE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )