UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6dXce79pyEodjzn0eY7vMDeYuv68oEFWl0FzvwpPf/Y=' 
WHERE 
  key_id = 'd76c2fefd0c9b2723d94c8ef2df0ebf4f1708c4c6d4c8f7bee68726263a64c43' 
  AND (
    token = '6dXce79pyEodjzn0eY7vMDeYuv68oEFWl0FzvwpPf/Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )