UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ydjltYyGJqZQE5d8+2LT3WNSyDtCWxumtqp9znbQP4A=' 
WHERE 
  key_id = 'cbf50458de4c47a7953eec54ca9423cf4bf13bbac940e26c29c97917bbeb1393' 
  AND (
    token = 'ydjltYyGJqZQE5d8+2LT3WNSyDtCWxumtqp9znbQP4A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )