UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f6cam5oBoUt/16Coew5Etbkr7/Ms4YE1x9/vD7/Uep4=' 
WHERE 
  key_id = '8c3d86e0295e239e1b9845f5ebedcf52264529efe1299f021d5e6b2c5171367b' 
  AND (
    token = 'f6cam5oBoUt/16Coew5Etbkr7/Ms4YE1x9/vD7/Uep4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )