UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd7f7lMVjnPTX9sddrhO0IgDmS3QJesKJJckL5+3fZDY=' 
WHERE 
  key_id = 'dd12d96389e44510c3a633945ecef501331d60f4c973dfef5730b4c6c1fbeb62' 
  AND (
    token = 'd7f7lMVjnPTX9sddrhO0IgDmS3QJesKJJckL5+3fZDY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )