UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FHYmwIRwF19vUU53oDnhNaAke/nJ8U9IHjm4H8rXSRs=' 
WHERE 
  key_id = '2f21b4ae87e7abc47ec945cdd640502abc5da441f271cf24b4becdf2f0cb4994' 
  AND (
    token = 'FHYmwIRwF19vUU53oDnhNaAke/nJ8U9IHjm4H8rXSRs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )