UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rGS9iMKf58HGMVZGKT/tlnqrf0xFIYhHPcCQauTnkK0=' 
WHERE 
  key_id = '2e7e515548f8023495bb13016113b34407aa8bde448acc3c5ea2f851caf13900' 
  AND (
    token = 'rGS9iMKf58HGMVZGKT/tlnqrf0xFIYhHPcCQauTnkK0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )