UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VV3FDkBD7I1crzr7uJpjewhXJgh+3g2oyYdsepyX+X8=' 
WHERE 
  key_id = '24ff45c0ed581e5df6c87fec71d24e9017c2da46ed0ea0226325755791e10e38' 
  AND (
    token = 'VV3FDkBD7I1crzr7uJpjewhXJgh+3g2oyYdsepyX+X8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )