UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'th1n82PIZm+p3hnbm0BiKyIf260BiS3LW7EIvduUDvA=' 
WHERE 
  key_id = '50c74f0f578a812980320aed0eb1e85330775d349e14469804a2cd07cf6c822a' 
  AND (
    token = 'th1n82PIZm+p3hnbm0BiKyIf260BiS3LW7EIvduUDvA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034