UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eBhF8S+9yRmA+GUA/bl4VBL/PJHoskQ2N3zEUIC89vk=' 
WHERE 
  key_id = '3d16643e13b21816966423505799ba601cd8d69cb576a8c08d28006299e70563' 
  AND (
    token = 'eBhF8S+9yRmA+GUA/bl4VBL/PJHoskQ2N3zEUIC89vk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )