UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zG+NhL6hO1TAeYCYSxM1xhUNjBPgMBmz1DL6MX1+jek=' 
WHERE 
  key_id = '6a27fb7d647f531c72e0d2852acb868a51e5dea08347c5c36502eb88966fb0ed' 
  AND (
    token = 'zG+NhL6hO1TAeYCYSxM1xhUNjBPgMBmz1DL6MX1+jek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )