UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PT8GleoShp/NIdeweKYlYb/uYUc2BbNO5y5ZfMJQIRY=' 
WHERE 
  key_id = '68c31507bde9b69e715ed4de8dda1a34c1f47b562f9103bb11f74bf7fcd05e43' 
  AND (
    token = 'PT8GleoShp/NIdeweKYlYb/uYUc2BbNO5y5ZfMJQIRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )