UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gVDM8UCuldPNh5sjmApZdx5E71FKkgGpJCOAA7dtYWA=' 
WHERE 
  key_id = '50f1afd43539843216bf6c5386be81ad5b12fc09f3abfc096839a098f4162008' 
  AND (
    token = 'gVDM8UCuldPNh5sjmApZdx5E71FKkgGpJCOAA7dtYWA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )