UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z8f0V0D0xHXy0VdyYP4lUDwH19yCozK40hPfnbD871E=' 
WHERE 
  key_id = '6d8f651368becc3654eda50ed3963d3015388df493a4bd3c73c67750ce8a2bb4' 
  AND (
    token = 'Z8f0V0D0xHXy0VdyYP4lUDwH19yCozK40hPfnbD871E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )