UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ms+MhlzJRwO7NiETvQVIKb+6T2G1zgP34qIc+Gk7CLo=' 
WHERE 
  key_id = '5642d61ad9a91d773e499d75f8f395fe6bc13f7be173691f6e795f8830e000c6' 
  AND (
    token = 'Ms+MhlzJRwO7NiETvQVIKb+6T2G1zgP34qIc+Gk7CLo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )