UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nBS2iBQvhCumHLkiJD8/pghrrXFSKRV18B5f8aoHk2o=' 
WHERE 
  key_id = 'd20dbf19125ddfd1bb5109b25e7ebe28c43d5fb3db70ab2d49419b0e562e4443' 
  AND (
    token = 'nBS2iBQvhCumHLkiJD8/pghrrXFSKRV18B5f8aoHk2o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )