UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TWe9UYfqOJ5eIsRAlswewA/cmshCGC92hPT6OXS93hQ=' 
WHERE 
  key_id = 'b20d8d263af96a8eacd3abb6a0960b74f74c953e2506dcfba79cd0eea63074d5' 
  AND (
    token = 'TWe9UYfqOJ5eIsRAlswewA/cmshCGC92hPT6OXS93hQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )