UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YDYwt+7BCNx1XOu2ZHJh0uuw4O9qLtVN1BAwkmdBWtE=' 
WHERE 
  key_id = 'f7f71d311f62291b651578bae1a769e63049c962ecd3464ba5b530c7fba2b17e' 
  AND (
    token = 'YDYwt+7BCNx1XOu2ZHJh0uuw4O9qLtVN1BAwkmdBWtE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042