UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'agxmmNpj0i7TFiHg7cMEgFJfLAuj4ZAF5dAe/GlxSsc=' 
WHERE 
  key_id = '6ce2bee51cf9e4fb08edd900d4021f2063a336bf41bf4040a1cd34256bd72086' 
  AND (
    token = 'agxmmNpj0i7TFiHg7cMEgFJfLAuj4ZAF5dAe/GlxSsc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )