UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LrMtD/GoPFun0CL9WqShMDo7ooIcd6tPDH7FqpQeKF8=' 
WHERE 
  key_id = '811395638c39d2742214989dc43c9c48dbbd3d1342088c9d324f4227882e981a' 
  AND (
    token = 'LrMtD/GoPFun0CL9WqShMDo7ooIcd6tPDH7FqpQeKF8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )