UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zK5wEIjqG4kWFPrQ39/kGfLY0oozTCV4GIYPxbVHwfc=' 
WHERE 
  key_id = '53873f2157ee4100ca54993f13e87a4b1fbb77c8fd7fcf6561d047aa38605692' 
  AND (
    token = 'zK5wEIjqG4kWFPrQ39/kGfLY0oozTCV4GIYPxbVHwfc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )