UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ykg4qOgvg9FGMlyJlRRK++ezgbmy2DXXUuPM1WIBees=' 
WHERE 
  key_id = '7961eee8d858499d2e02533f86a1950ad2df27b40b547a4535e106dbfe9d112b' 
  AND (
    token = 'Ykg4qOgvg9FGMlyJlRRK++ezgbmy2DXXUuPM1WIBees=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )