UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ar09VWog3+OhPqxkz+PSeeL1gpX6b6ydA+zbir5tCuM=' 
WHERE 
  key_id = '55ab34c6b68374bcee07227c04b37d6d720831b8552d8f2f6f6baa10507d9119' 
  AND (
    token = 'Ar09VWog3+OhPqxkz+PSeeL1gpX6b6ydA+zbir5tCuM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )