UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i6xf5gNy9o7JZht7mjGHlJo87lXf00W2v5z0++iiBKg=' 
WHERE 
  key_id = '56bd4cfa226116acf2e4a230d7a62fd38a24ffdd648bef1ca82f89bae14a937b' 
  AND (
    token = 'i6xf5gNy9o7JZht7mjGHlJo87lXf00W2v5z0++iiBKg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )