UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nDCu22nEizw59AMOFuJYH1x871jYaM2AgBWwWi5dsno=' 
WHERE 
  key_id = 'e999d68604de520af25e824f4904213a37c784d6c3051b18705a075024b80f08' 
  AND (
    token = 'nDCu22nEizw59AMOFuJYH1x871jYaM2AgBWwWi5dsno=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )