UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W1D7FfsY4JoKD36DAjDPILutt1AExrNMy7nC6a7ZoVU=' 
WHERE 
  key_id = '831ad41b8d7e6a6916759f267ca5fb540dc95f9a50bb2aead4b3f83a3b238fdd' 
  AND (
    token = 'W1D7FfsY4JoKD36DAjDPILutt1AExrNMy7nC6a7ZoVU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )