UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hC8WVRGGuWmLjtMWA9+VTG2Z1M26QZ8T7Z00yfwgsmk=' 
WHERE 
  key_id = '5ca253cec601ab237ba2a0084bba334721059605141305d4febebac59fee7844' 
  AND (
    token = 'hC8WVRGGuWmLjtMWA9+VTG2Z1M26QZ8T7Z00yfwgsmk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )