UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8KyVqR4ej7CXpSu6t8vCL9ca8ROjPN9zfU8SXsrG5/s=' 
WHERE 
  key_id = '8c6bb56aa014e71cb181d5750bca9fc85dec56a740ca2e52233439b34ea20dc0' 
  AND (
    token = '8KyVqR4ej7CXpSu6t8vCL9ca8ROjPN9zfU8SXsrG5/s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )