UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pyvraokjdWfq72MUh1VmQNROgCWbk9wg0HIjOc6NNc4=' 
WHERE 
  key_id = '838ffa92cd82a92ecdb3491074baf4ce76c17dcd7b44797bcde5057b6606e216' 
  AND (
    token = 'pyvraokjdWfq72MUh1VmQNROgCWbk9wg0HIjOc6NNc4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )