UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0O4kvABWuZ4+rkk4dqBYJc91BHcHvST2y2iukTC9XOc=' 
WHERE 
  key_id = '7a7a828e6bff8a9e3f3d5bb4d3623e90d83875e67b02228e2c3ce5568513ee9c' 
  AND (
    token = '0O4kvABWuZ4+rkk4dqBYJc91BHcHvST2y2iukTC9XOc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )