UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zk0+DYrm8iWkH2HUiDkTXILwL7cgBYQmOAmRHNUaiV4=' 
WHERE 
  key_id = '81e59cd7273b2713a63b201d4a65e4fe86b4e3092738822adfdfc5a368466ef1' 
  AND (
    token = 'zk0+DYrm8iWkH2HUiDkTXILwL7cgBYQmOAmRHNUaiV4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )