UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rhjLfr3Xsej7DhtKrkwzYZZLz3Pv68rq4JA6iUgGSVc=' 
WHERE 
  key_id = '6d40fcc2d967a12e12ea188203db8379af09c2909af07605d534be53dab033e0' 
  AND (
    token = 'rhjLfr3Xsej7DhtKrkwzYZZLz3Pv68rq4JA6iUgGSVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )