UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hCxct20BEvMNmxaAvauqwoy0QNQoTVD3TByA4cDfbro=' 
WHERE 
  key_id = '4884860edd3e5967a2a79a35ad6df84b61b71cb82eac559318341d4e5040c65c' 
  AND (
    token = 'hCxct20BEvMNmxaAvauqwoy0QNQoTVD3TByA4cDfbro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )