UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g+/Kevz9H/F1zs4vL/M0Rvzy30hI42WPK9XAqS/45rg=' 
WHERE 
  key_id = '671d84031775cbc3241b53a60f100fc85658c97ced3ab45ebed20eda79ef3d36' 
  AND (
    token = 'g+/Kevz9H/F1zs4vL/M0Rvzy30hI42WPK9XAqS/45rg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )