UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kwT7lUYElEyR0BnY41o7AhhSV8twMEBatDy/JmsiNjw=' 
WHERE 
  key_id = '08b4044e4f2374e094c77d44e7a82c81d7f48c3a4b439729bf759f7583eca955' 
  AND (
    token = 'kwT7lUYElEyR0BnY41o7AhhSV8twMEBatDy/JmsiNjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00041