UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nZS5B9i2ieGfdnqjTKZ6NMdChKjTL8FRJVDcdPGjens=' 
WHERE 
  key_id = '908070c52755813e04c30a6c69c96ddfecc632430c5d5c42ea535875718be35e' 
  AND (
    token = 'nZS5B9i2ieGfdnqjTKZ6NMdChKjTL8FRJVDcdPGjens=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )