UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0ZFGpLb76AYV5tQtnI1mqwc6vLanILLsjYN58u5c3kk=' 
WHERE 
  key_id = '81cdb2a59c6a7e203b35ca005c3fd71a5a08619c121cb456a96fddbb0dca2c02' 
  AND (
    token = '0ZFGpLb76AYV5tQtnI1mqwc6vLanILLsjYN58u5c3kk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )