UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PCbZtOBpuLumtWr1yUYw5RoylY6xSp5qIKnnLheRTYU=' 
WHERE 
  key_id = '6b9319d9db61a4353d23770adce7c289e5d839703db1f2f859836e530ab5d6a6' 
  AND (
    token = 'PCbZtOBpuLumtWr1yUYw5RoylY6xSp5qIKnnLheRTYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )