UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zLMjwFdgJPRrD8GemsWv/d8XbrQvd1cmXfpb7+rA5D4=' 
WHERE 
  key_id = '26d5f3cd90f35550b69d08634cb996c7ab4f08425e8be8e4be0480d2738a2639' 
  AND (
    token = 'zLMjwFdgJPRrD8GemsWv/d8XbrQvd1cmXfpb7+rA5D4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )