UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kvcrw1EWNhzyEoNuCydCtJS01R98NZfsNik4DFjcIHY=' 
WHERE 
  key_id = '09794aae7e5372aeedaa6acc4800e1828322995d54640976495fdb96a9636e18' 
  AND (
    token = 'kvcrw1EWNhzyEoNuCydCtJS01R98NZfsNik4DFjcIHY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )