UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r+w6hVQbFEb+ks/thIA4htGB6jGAvFycc/jO/t88Mgk=' 
WHERE 
  key_id = '6eaf87d5841892aa5b1887ddf935fc7b3294bfebee8f637132d9938d815dbad4' 
  AND (
    token = 'r+w6hVQbFEb+ks/thIA4htGB6jGAvFycc/jO/t88Mgk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )