UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a8I9H0Q8RrmJfAqWpDw3R9y3a7mG4IiDaqSZCuYUKSQ=' 
WHERE 
  key_id = '34e928c65d77d646df3caab82e17a90559cacdd87293f20cfbba42d7165130d6' 
  AND (
    token = 'a8I9H0Q8RrmJfAqWpDw3R9y3a7mG4IiDaqSZCuYUKSQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )