UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NtYwBV2VNC3xDR6x1ETUMzib8Ki5UnEJOHKc7QN9xZw=' 
WHERE 
  key_id = '68b12042e057217cabcbdd85a8ecd47bc521e4b67616ab71cfde6f2287c6f719' 
  AND (
    token = 'NtYwBV2VNC3xDR6x1ETUMzib8Ki5UnEJOHKc7QN9xZw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )