UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qtn+s/sCCzQCzixOueKDFpMRRGvl2puJfkAIY5Haf/A=' 
WHERE 
  key_id = '420c940d82c5b25d2e233027e804249b1ab0aea15843e1a98c76bdccfa903a29' 
  AND (
    token = 'Qtn+s/sCCzQCzixOueKDFpMRRGvl2puJfkAIY5Haf/A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )