UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9Z5Io5oBu3EcLNs0bAme1hAKCsTYwO0gOu9kOp97+3M=' 
WHERE 
  key_id = '7dbaaff1c5544b365a6bbe7c0bdbf356a26369bee5b195bf353174075ff9d0fb' 
  AND (
    token = '9Z5Io5oBu3EcLNs0bAme1hAKCsTYwO0gOu9kOp97+3M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025