UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c6OixJPnu8l0jFx/a3HonmcNtmcjsvS2/72AUno8za4=' 
WHERE 
  key_id = '8ac1d56829e63ef978d153fd9d0e37b1a993a50eada2e85d051283b4945c398e' 
  AND (
    token = 'c6OixJPnu8l0jFx/a3HonmcNtmcjsvS2/72AUno8za4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00051