UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kBd9bjVM7grPkOVEaaHyGU/Hnb/hpk9YGIzK38OKKT0=' 
WHERE 
  key_id = '02cfd507d545f6fe8a27f91455f8089298daab2b38dc8033cb1b322520e1e8b4' 
  AND (
    token = 'kBd9bjVM7grPkOVEaaHyGU/Hnb/hpk9YGIzK38OKKT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035