UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MPzUKVzdvyeOjEEnTPPWCEtFiD6NJmKUU2syVS8HWQ4=' 
WHERE 
  key_id = '1838522c361a0a4bfa2ee47b332e451554057f10ab604dcda144ecb8dbe925bf' 
  AND (
    token = 'MPzUKVzdvyeOjEEnTPPWCEtFiD6NJmKUU2syVS8HWQ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )