UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RCSS4qlOF3g8Rf7umZ2lqAZc3sHieibTLoqAIFSj77I=' 
WHERE 
  key_id = '4af0997c61f239d854244a48808572d047c61a2e8fc3c479af0542af858dd480' 
  AND (
    token = 'RCSS4qlOF3g8Rf7umZ2lqAZc3sHieibTLoqAIFSj77I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )