UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K6BZOfLYG1BG/UKhjhgAGFWq9sgSnvS1sYEBi2qk81U=' 
WHERE 
  key_id = '0a3abcc979a1e1d8af682245954077bfc04fe7759e8039bfb6a331220e01f494' 
  AND (
    token = 'K6BZOfLYG1BG/UKhjhgAGFWq9sgSnvS1sYEBi2qk81U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )