UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RRcex+CaHybLwp2kwwpjyVOKWSiQvY0qdmo2A6UyM6w=' 
WHERE 
  key_id = 'b5d7a499b554f530b0173c55dd1ee0c61bbd73fe6c5baec19e410caf06bf1db2' 
  AND (
    token = 'RRcex+CaHybLwp2kwwpjyVOKWSiQvY0qdmo2A6UyM6w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )