UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IsFFou9uMvHbI18uMoOqQK/3+OVBqOaP4O1Iv6IZxjc=' 
WHERE 
  key_id = '99aedcb6954f0b80145cd68991941a987b06338e41203a2d616879dc95f709df' 
  AND (
    token = 'IsFFou9uMvHbI18uMoOqQK/3+OVBqOaP4O1Iv6IZxjc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )