UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r4zZlZ9tNjDjOzYICeF2YmML0sEgNAxVsTIvoQuKZl0=' 
WHERE 
  key_id = '04976836d4d7a3e073ea033ea1dd9193ed708e98f6e20f50d361a989b7e8fc2a' 
  AND (
    token = 'r4zZlZ9tNjDjOzYICeF2YmML0sEgNAxVsTIvoQuKZl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )