UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MdPRE408DZWMHeaSuKgsipvFRQNpsKd0zh2BWUXrWMI=' 
WHERE 
  key_id = '704c748286d1f2d81c2a47058781b506f9cc2d8dc8fe483cf204204ffb4c24e8' 
  AND (
    token = 'MdPRE408DZWMHeaSuKgsipvFRQNpsKd0zh2BWUXrWMI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )