UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WLXL901yLAnWpgIWLNZZA2N9JDslNBuyUGnaniUtBWc=' 
WHERE 
  key_id = 'bfb2c371b1bf1e733b780fbcf657af5fada74c1b22f6e43809118f8b29705472' 
  AND (
    token = 'WLXL901yLAnWpgIWLNZZA2N9JDslNBuyUGnaniUtBWc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )