UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2uSkIB1eVIQI8Bk/2FRh50kMY66GIb1HQ3BdBfPi4VM=' 
WHERE 
  key_id = '91347d39f3b63e77c14fcda3b5adc19d4613d7318d9f60eeedf6047248ad971c' 
  AND (
    token = '2uSkIB1eVIQI8Bk/2FRh50kMY66GIb1HQ3BdBfPi4VM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00047