UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'myJRxKHepN8cI5FBlD8cmBdTwoisDoh/S5GdVdrAp74=' 
WHERE 
  key_id = '8f817ebc630023f0ba26e868904bd24b862868ee57fbedfb3d2e76e054c6a958' 
  AND (
    token = 'myJRxKHepN8cI5FBlD8cmBdTwoisDoh/S5GdVdrAp74=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )