UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6MSlndCPHPQF7RoZ7Ypo5psyut55uHpCJDSYqeP9Pfg=' 
WHERE 
  key_id = '491644116a04ba772b77040f6458a9e174d1ee4db35bc2d937d0efbb52700687' 
  AND (
    token = '6MSlndCPHPQF7RoZ7Ypo5psyut55uHpCJDSYqeP9Pfg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )