UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WhyIE7yaw5ddK6/ciDDFCFEn8lvd9czZu2Rrgwx+gjI=' 
WHERE 
  key_id = 'fe805218cfcc45ec039e9e96a4eb9355911021cafa6aba17e657b0d1bf2700de' 
  AND (
    token = 'WhyIE7yaw5ddK6/ciDDFCFEn8lvd9czZu2Rrgwx+gjI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )