UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RZaA4PcGqcFACoE3RZ/Q71ydmIufAtEyg4EpUkrsEkQ=' 
WHERE 
  key_id = 'd47525b240c0fb94ed30daefa12fce4ca1a68b2214401ee3e13e9ba512a1f09c' 
  AND (
    token = 'RZaA4PcGqcFACoE3RZ/Q71ydmIufAtEyg4EpUkrsEkQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )