UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8cnGjeZkTWz7dABXksNww8+gFwYmjVcV8SbeSkBzZj4=' 
WHERE 
  key_id = '68acd348d04fe48682f64093b40acb3e937a47a01eb33e07a54767761c077237' 
  AND (
    token = '8cnGjeZkTWz7dABXksNww8+gFwYmjVcV8SbeSkBzZj4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )