UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't68Zk9E8FzULlsEfq2HUkCFU1shfpmeV71SBA3i3loQ=' 
WHERE 
  key_id = 'b26edbda3c187333f5377c556d41ce12b769c4375f6224aebd5c4b03d1e0afef' 
  AND (
    token = 't68Zk9E8FzULlsEfq2HUkCFU1shfpmeV71SBA3i3loQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )