UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '20cTX3sweNigveyj7Z7Ljm+xnA97XxnUlcwwfgDCRx8=' 
WHERE 
  key_id = '0475bbd7df33302bf060bac871fe21a39fd35144c2df72c3eda2f7996569cc54' 
  AND (
    token = '20cTX3sweNigveyj7Z7Ljm+xnA97XxnUlcwwfgDCRx8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )