UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h4jC+M6bP7RKRLxGuEN9igW+R/hshGpRgYSyc6d1BSU=' 
WHERE 
  key_id = 'e82fac48691a237dcba83f372a7050351db59553b3842c26524281e4ac01287d' 
  AND (
    token = 'h4jC+M6bP7RKRLxGuEN9igW+R/hshGpRgYSyc6d1BSU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )