UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pM1G2eiIXrqgT1DC5saoX01SEO4f8qzjqbeMD+Je0oo=' 
WHERE 
  key_id = '6ebf456bc78627594cf632e315912d4a673ad8b1214021b97a04398b9c449bd7' 
  AND (
    token = 'pM1G2eiIXrqgT1DC5saoX01SEO4f8qzjqbeMD+Je0oo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )