UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yuFwqbjb/xAuNpSYbOm7/eeD3qd+IjcI78tiVkuWSmM=' 
WHERE 
  key_id = '6946c4bafc863bf1a2cbe067739bd0e7d8d2aa626d4db36f93b2639a7da544a8' 
  AND (
    token = 'yuFwqbjb/xAuNpSYbOm7/eeD3qd+IjcI78tiVkuWSmM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )