UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mMB2KI+aXI1TEc6E46O1eJNeMAXzb60AEqRUrrMQKCg=' 
WHERE 
  key_id = '683063dc02980f554b41918ec8ca448494e503297a38bf3e73bdc4077be5f405' 
  AND (
    token = 'mMB2KI+aXI1TEc6E46O1eJNeMAXzb60AEqRUrrMQKCg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )