UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MfTPsGaKKC4gOWYSixh4Gndvuh6d6va6sR4WIU9jX6E=' 
WHERE 
  key_id = '51d82d68ff0d4c7617c3b3815701a5ec8c97979cd22be099facf893b270827d9' 
  AND (
    token = 'MfTPsGaKKC4gOWYSixh4Gndvuh6d6va6sR4WIU9jX6E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )