UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WoCzrOxdQ+8mSmXULT75Tm99k0XuWyTLyRuHF71KtfA=' 
WHERE 
  key_id = 'a4a3a3901ae562085d6f91fa098bef14b830508483552ceb4917b8d8f14de5f0' 
  AND (
    token = 'WoCzrOxdQ+8mSmXULT75Tm99k0XuWyTLyRuHF71KtfA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )