UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aS46ULqw64nAWHvt6tYXjXZs9zw5ikFKS5mKxU2kVZg=' 
WHERE 
  key_id = 'a30c82bec515485dc3957e32c835f4d2305c5ee086ef7ab54be900aa0fa1d3f0' 
  AND (
    token = 'aS46ULqw64nAWHvt6tYXjXZs9zw5ikFKS5mKxU2kVZg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00066