UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nJQUMmPrb/IMFoA2UEBJKs4fUnCM4eHU/aMJSXbRYbY=' 
WHERE 
  key_id = '454f38dd0d8fcc52942bb2cfb0e65c3150e6c61c2352b9a7d4fb5d6bf2c9d257' 
  AND (
    token = 'nJQUMmPrb/IMFoA2UEBJKs4fUnCM4eHU/aMJSXbRYbY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030