UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u3qimgn3o809sxE2hADn9+iMoOZSl4dpPJiXygDrpPY=' 
WHERE 
  key_id = '1453b03e275865b809253c1b4f4b394b4c349ed87b7053e76692155af6318d06' 
  AND (
    token = 'u3qimgn3o809sxE2hADn9+iMoOZSl4dpPJiXygDrpPY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )