UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0RF+D5XP9AbPB0xNMV422FjTbBnsVBJKJsFYrstABjw=' 
WHERE 
  key_id = '991c383a07cd907526c8c29b0b933a11d89c5cd335d2c5991f06a1db2566548f' 
  AND (
    token = '0RF+D5XP9AbPB0xNMV422FjTbBnsVBJKJsFYrstABjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )