UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WnCZUGeg3JmxRNr/By4/iCOeVGMD7ko+QUOVtF2jrYU=' 
WHERE 
  key_id = '4bb789b8bc52ef3bf11195238a2f5e3208aacdbcf3a341ca2f031d046a0c0ada' 
  AND (
    token = 'WnCZUGeg3JmxRNr/By4/iCOeVGMD7ko+QUOVtF2jrYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )