UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k4tew+xV/JrnHE68Fi+rGItePxsQ6KYrtlwCDXrEIgY=' 
WHERE 
  key_id = '234e3b8ed11ea1dcae2f8cc685103bb0dde037c43e77810947c8010bf6a23c26' 
  AND (
    token = 'k4tew+xV/JrnHE68Fi+rGItePxsQ6KYrtlwCDXrEIgY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031