UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e19SZF3XT7DzxQu3qM6A0U+I2qz8q/ZfIcjIKF3FoAo=' 
WHERE 
  key_id = '81dca7315edef463476fa87ceff4fa932f5125cc9929c2eff3a5503adb7dc777' 
  AND (
    token = 'e19SZF3XT7DzxQu3qM6A0U+I2qz8q/ZfIcjIKF3FoAo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )