UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mzdXlgzkZqCh+k+vyqFpPuwFscjUwv2lb5H7QnuU6/I=' 
WHERE 
  key_id = 'a7e44cef398a3cb72c7a7d9249435faa459a98319876bebfd3d37d9df55b4b26' 
  AND (
    token = 'mzdXlgzkZqCh+k+vyqFpPuwFscjUwv2lb5H7QnuU6/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )