UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fem44iAKmvWjBF57BWziSxfsnQL8EcL6oy72+fPSigg=' 
WHERE 
  key_id = '42a00319b0f8d7b7830e2ccb72316f1ae8926d1468e3c49124b100620abd520d' 
  AND (
    token = 'fem44iAKmvWjBF57BWziSxfsnQL8EcL6oy72+fPSigg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )