UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6lWkLreY7pWboUHxa/6np1jng2q21qTtrToYb7T/VLk=' 
WHERE 
  key_id = 'fc8968f1b411aba48f844809a129e178040809f461b769926abb767161c41657' 
  AND (
    token = '6lWkLreY7pWboUHxa/6np1jng2q21qTtrToYb7T/VLk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )