UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8b8jvGdqshli+C1bFyzicOvMbXPQbuaJWNc8DfK82q0=' 
WHERE 
  key_id = 'f09550efdac38ece123b8050e862a172d2c131a567ead5482fe4d21c03f0e1a7' 
  AND (
    token = '8b8jvGdqshli+C1bFyzicOvMbXPQbuaJWNc8DfK82q0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )