UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'It2aUVP+hUqjA1wd7HsL1BK3fI7eshpMTGaHX5S/xnY=' 
WHERE 
  key_id = '784fb252c03732fe04d888ec52cbf08381d7ca3b439925274505863a6a7356af' 
  AND (
    token = 'It2aUVP+hUqjA1wd7HsL1BK3fI7eshpMTGaHX5S/xnY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )