UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eXPZ/aEnDCe1oV4XomZkR+fMxIPNNexgJbQMfCJKFaM=' 
WHERE 
  key_id = '2e6817ce17ecee9b7c69376f4393f13c87a5d61ec7a971965d110b1f39d1ab8a' 
  AND (
    token = 'eXPZ/aEnDCe1oV4XomZkR+fMxIPNNexgJbQMfCJKFaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )