UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MNQILIjNcPJSEdp1GurFOi0p82RVaMgnEPCj3p/SGwA=' 
WHERE 
  key_id = 'a4eebc28d44d50464233cd492be69ce7d0f94511908b867db69747a1684fe6b5' 
  AND (
    token = 'MNQILIjNcPJSEdp1GurFOi0p82RVaMgnEPCj3p/SGwA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )