UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+4dqH4pZ4CIsRNGuiAVjv1hN/bEFCn6PRkTRsJMupQY=' 
WHERE 
  key_id = '21b43281582c10bcd17ade6871c076b132564e617b5a841d38b983772f4a9c70' 
  AND (
    token = '+4dqH4pZ4CIsRNGuiAVjv1hN/bEFCn6PRkTRsJMupQY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )