UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '28x/iqWFCSMrS32Pa/vLgdtezDESl/zLYIm0eyZdwbY=' 
WHERE 
  key_id = 'd3e7f2d75e5b096839a8246235f515e111c665d50a6a439eb93d85b3261da69b' 
  AND (
    token = '28x/iqWFCSMrS32Pa/vLgdtezDESl/zLYIm0eyZdwbY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )