UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '15iSsq10USXLa5PgiuS5xBkHKZ8zHT/TO9bnxSZkiA0=' 
WHERE 
  key_id = 'b1e91be8ff578548bf5354df72336443f7b4dc628c9761a8d243fc488be46387' 
  AND (
    token = '15iSsq10USXLa5PgiuS5xBkHKZ8zHT/TO9bnxSZkiA0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )