UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '81v82YAtBiliscn3r42PqnUmoqxb/kd8B8RCPV77PI0=' 
WHERE 
  key_id = '6a97835659f65ad6cd3c5f9db8e7c253aabb927e57223e4d1f5f7272c5d7fe33' 
  AND (
    token = '81v82YAtBiliscn3r42PqnUmoqxb/kd8B8RCPV77PI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )