UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U/5dT+IH3bDYgY8Kv4kjHXVdRPRH1rv8EnOmzhGPKik=' 
WHERE 
  key_id = '993c5b051f1deccf7cc89cac336b6984b1d7a070238796238fa7b6bba25fd0e7' 
  AND (
    token = 'U/5dT+IH3bDYgY8Kv4kjHXVdRPRH1rv8EnOmzhGPKik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )