UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yu4DU8URdMd0W6BqAO+uTZE/qcdCHQxqTvuw2rJeiO4=' 
WHERE 
  key_id = '79a3c7f71fd6f0997d8bf357edc57160072849919d4fc57d193edb92e3c3cf7c' 
  AND (
    token = 'yu4DU8URdMd0W6BqAO+uTZE/qcdCHQxqTvuw2rJeiO4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )