UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UbBVUYz6Q7JZ89im/Wz1wmoT23CzzsJSJSxkw9MTD6I=' 
WHERE 
  key_id = '51be789f63362c999bb84ecd66e0a313dba401aaa43f5276cc49ab3e075a3a2b' 
  AND (
    token = 'UbBVUYz6Q7JZ89im/Wz1wmoT23CzzsJSJSxkw9MTD6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )