UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'prIuKGLQ/k/NwOTIKoNt1slK3+Fy3YqU958GxD8xgLk=' 
WHERE 
  key_id = '51a81c4fd1dfa9aefc836354e541b540335ab0b0afb99beee149f9bce7c4dcfb' 
  AND (
    token = 'prIuKGLQ/k/NwOTIKoNt1slK3+Fy3YqU958GxD8xgLk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )