UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U9ldL2cC/pbCnHYff6P6I3FgYN0dfpuos46GM4TILYM=' 
WHERE 
  key_id = 'c64ac7a521b1e69f6346adf82699991401cb6347c0338a12415e8a9bd83df975' 
  AND (
    token = 'U9ldL2cC/pbCnHYff6P6I3FgYN0dfpuos46GM4TILYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )