UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l94jkkHpPceB2o7FfLW7hK1Go31N1E14biasRz/IeJM=' 
WHERE 
  key_id = '2c23fe474c8d301a1a68316a7f09c85250c0b97eba8e6da5c781d4fdd8c30260' 
  AND (
    token = 'l94jkkHpPceB2o7FfLW7hK1Go31N1E14biasRz/IeJM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )