UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oZpiwT7hXDs3erAOt+Yug8T4QoCaKuUFtOUmQFeY5NU=' 
WHERE 
  key_id = '51be867770380e73e01b01f5778bc0552f83393c634eee1b6703dd472fab9c0b' 
  AND (
    token = 'oZpiwT7hXDs3erAOt+Yug8T4QoCaKuUFtOUmQFeY5NU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )