UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'AZ5A7x0LO5zDJ/VtpETGIuOWCtQe6+V5ds++D8Ipgbk=' 
WHERE 
  key_id = '2ee9fdf5c82c699a49ce45b87ec703ad38ebb96384859293a616793e7a4a0644' 
  AND (
    token = 'AZ5A7x0LO5zDJ/VtpETGIuOWCtQe6+V5ds++D8Ipgbk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )