UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8BqGQSBQXosfdR9OeKzEI4FGR/qYdmtIk1jrA76QYKM=' 
WHERE 
  key_id = '3e652c1922fc7bab6affab63356dd56f43880087ad12d16ae275fab26c1cea79' 
  AND (
    token = '8BqGQSBQXosfdR9OeKzEI4FGR/qYdmtIk1jrA76QYKM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )