UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E6aU/FFlTKkjD1vqchlG91RVr6L3XNQLKz2OWQ6Qk+k=' 
WHERE 
  key_id = '77a0d1b546ad94ada4db0b813cd33466cc3e037ab5ab2db33be6def128d15895' 
  AND (
    token = 'E6aU/FFlTKkjD1vqchlG91RVr6L3XNQLKz2OWQ6Qk+k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )