UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x9Umw2O55Ij/Or6sdUwBQ6wDVyU9vZ2UlOAb418dh1I=' 
WHERE 
  key_id = '51099b143f073612b2897ca284ecd280c25659095370b214adc4dc54f5202d93' 
  AND (
    token = 'x9Umw2O55Ij/Or6sdUwBQ6wDVyU9vZ2UlOAb418dh1I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )