UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I2C6ylY4Afm1H9Brv3qfCZh4D6XNUhMYDK+6f9GwJVM=' 
WHERE 
  key_id = 'f431d3b3572159be0ff3068ff36beefa4722e39ffd769d4e7bbdb5cdab51e7d8' 
  AND (
    token = 'I2C6ylY4Afm1H9Brv3qfCZh4D6XNUhMYDK+6f9GwJVM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035