UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z8XwxF95Ma263fQ6yht2fWTBgCw3npbY4VWKZH6DTUM=' 
WHERE 
  key_id = '345e9f392815a9b448a7d747517f6527f19a0bb9fedd541f0a7521d82fb73aea' 
  AND (
    token = 'z8XwxF95Ma263fQ6yht2fWTBgCw3npbY4VWKZH6DTUM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )