UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V9QQ1sJV6/CFnEpvJcoHsgUSZCS68mgylt18gpEGRyw=' 
WHERE 
  key_id = 'a6260220898a5077ed630ad8fdf9c00923a0b68827df91e394495e3fa3a5bcc9' 
  AND (
    token = 'V9QQ1sJV6/CFnEpvJcoHsgUSZCS68mgylt18gpEGRyw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021