UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8GUlDiPiY1XVSdsqhu6rUJmps055kgHIkCbhydTHJSM=' 
WHERE 
  key_id = '8e82b58a7d7fd4875b1d56d6020944a54e0cf3230a4ffac51a6171e1fa0e0542' 
  AND (
    token = '8GUlDiPiY1XVSdsqhu6rUJmps055kgHIkCbhydTHJSM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )