UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V4Hly71+43K0uCAbxuWadg4Kp9fwufs+inRIB/VGtxA=' 
WHERE 
  key_id = '0bb1cdd80820b952e10b397cc6d74f73772448ef1f0de70e7aca079630f7bf99' 
  AND (
    token = 'V4Hly71+43K0uCAbxuWadg4Kp9fwufs+inRIB/VGtxA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )