UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mz/4SKHlGC95BnRFCZ6HS0zXmZke3UT+iYldd0wSeeE=' 
WHERE 
  key_id = '34b6f8560f8a4028f7349085edcbaf9027966775d8e2aa2cc3f21c8510376971' 
  AND (
    token = 'Mz/4SKHlGC95BnRFCZ6HS0zXmZke3UT+iYldd0wSeeE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )