UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RxsWWf5XvWSb/yZyHzg8IlJCxb9KublQthkXHzRTBVI=' 
WHERE 
  key_id = 'a451b0b5b636f9318e4357521ac91f829e0949a234294f9eaf6c9d7b3a101237' 
  AND (
    token = 'RxsWWf5XvWSb/yZyHzg8IlJCxb9KublQthkXHzRTBVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )