UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xS9mIiVnr7giCSbJcCRWGvVTMJqENgfvbXQix7RXZD8=' 
WHERE 
  key_id = 'ddb29b51cbea36fae1a22eda6e6d22b79a4a97093be19d2d773b4bf3b95dbc7b' 
  AND (
    token = 'xS9mIiVnr7giCSbJcCRWGvVTMJqENgfvbXQix7RXZD8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042