UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6bhZFZOpvtyijf81NA4ToITzjP8zlyW7F4k/tPki2OI=' 
WHERE 
  key_id = '0d4647bf39f721aa297d46cf2d5c8950a5ac2b7280bc35387cb5b93f8482443a' 
  AND (
    token = '6bhZFZOpvtyijf81NA4ToITzjP8zlyW7F4k/tPki2OI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )