UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R2/DI8cjbC2xZUgyLYUWMxk08xbSku0hiD3CI6yAcrc=' 
WHERE 
  key_id = '83e6404159b3676eb77f94d1f0595c42456b3062738063ecb12e6e0138c5ae94' 
  AND (
    token = 'R2/DI8cjbC2xZUgyLYUWMxk08xbSku0hiD3CI6yAcrc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )