UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4T2At8agBWNKF43nh/JrGe98g9gaqiRHgDHukKF00X4=' 
WHERE 
  key_id = '6d51981fac186ef5c2d2ab92415f0a1f68a356f3501acf2309455f6a3a7767b6' 
  AND (
    token = '4T2At8agBWNKF43nh/JrGe98g9gaqiRHgDHukKF00X4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )