UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPa6y2EnFO06JNgLM50FeUfCBdTj9pgA975nLqkfGwo=' 
WHERE 
  key_id = 'e84909293ea1dd47ce89f888a19e8a63ac8d74d366e3870b9beea7bfbae95ed8' 
  AND (
    token = 'PPa6y2EnFO06JNgLM50FeUfCBdTj9pgA975nLqkfGwo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )