UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c2WoYQQpuOcVkjrUvXEfROW7YlWXEstIHiYngYBbZTc=' 
WHERE 
  key_id = '50f7318fd9b108c5cfaa0f35358e63e1519105d4e5992f212e30ec84e4e20784' 
  AND (
    token = 'c2WoYQQpuOcVkjrUvXEfROW7YlWXEstIHiYngYBbZTc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )