UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vRiWnKGYEGHyL4qMA/OQeZ3MAf5hpdVUBOJf8oP7mzw=' 
WHERE 
  key_id = '1cbec50d209d3df3567008c36bd5e81b312415a114445859fe5ecbeaedbf82a4' 
  AND (
    token = 'vRiWnKGYEGHyL4qMA/OQeZ3MAf5hpdVUBOJf8oP7mzw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )