UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cXir2IDVeboUoPH4oU9E58JoiMqyBCIFu2Xyz5+GWOA=' 
WHERE 
  key_id = '8d4ff70f1a7a8cb130062f642b73de6cc2a3f16fff7e25ae3e3f34eef6651881' 
  AND (
    token = 'cXir2IDVeboUoPH4oU9E58JoiMqyBCIFu2Xyz5+GWOA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030