UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'thuNvWx3WKXuEaNEbuNgg7f5kA43fvpLhRUQsHn50OA=' 
WHERE 
  key_id = 'c25fee0d5f6901198198173f30e66dbc1a9d17c7bae85acd71d7eed198e1e302' 
  AND (
    token = 'thuNvWx3WKXuEaNEbuNgg7f5kA43fvpLhRUQsHn50OA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026