UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RnkpmV0BAEDqvAMmJD9KfYqo5wwKI9B5LLyXywWN/ro=' 
WHERE 
  key_id = '185d3cd0f33b9c00703769c863f3b74b4fe4beb5cdc755479cd9877844b7bff9' 
  AND (
    token = 'RnkpmV0BAEDqvAMmJD9KfYqo5wwKI9B5LLyXywWN/ro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )