UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uU3iGxEllLIDUY0mdnhViZsdUDEtRypuiNmIAGfqgTM=' 
WHERE 
  key_id = 'd5f25ac8a1beb2d5fc926a79af88512f4de01e49851a26b2ac1713c18c7ebacd' 
  AND (
    token = 'uU3iGxEllLIDUY0mdnhViZsdUDEtRypuiNmIAGfqgTM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021