UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '21xtdLxvXc+fsNXxIvDhTKTZpAaLzlqmtgcrs//aAuw=' 
WHERE 
  key_id = '826a9f4a5f97957177e6d15b47f0daa2a3f3c488aebfbaa68a635dfcee761019' 
  AND (
    token = '21xtdLxvXc+fsNXxIvDhTKTZpAaLzlqmtgcrs//aAuw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )