UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mxW12Ic/KOa+aTvIZNTk+7RQTWJGrXxNrlvHXfvju3o=' 
WHERE 
  key_id = '91e0f57a7a90a8d454a24c31a869cc4ded52cb73af51d8dd292ad7584d72f854' 
  AND (
    token = 'mxW12Ic/KOa+aTvIZNTk+7RQTWJGrXxNrlvHXfvju3o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )