UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z6wjbyhQhlASW+DXLO6imIuI3aKXtgHTo1DqDQmgL+w=' 
WHERE 
  key_id = '8de99ee3f1f03d46401601c7d30bb00db4070fdb129469558b318077ba5037f2' 
  AND (
    token = 'z6wjbyhQhlASW+DXLO6imIuI3aKXtgHTo1DqDQmgL+w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )