UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mza/5JlOT5vCb1KbPnnWdKnOb/P0PEg7BL0UfHb7lpw=' 
WHERE 
  key_id = '0d3a57b4eb73f6fd19679c0dfbbdb0b10e08ececa0339938e350183a3f40164c' 
  AND (
    token = 'Mza/5JlOT5vCb1KbPnnWdKnOb/P0PEg7BL0UfHb7lpw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )