UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MUx6B6jmFKUqoOFtHZmmeoDPWTUZZG2TAi4HiJ/+26Y=' 
WHERE 
  key_id = '8b9fa988edb52c864f2ec201fb5283150cc2b8815819e75029c403ddb9130ecc' 
  AND (
    token = 'MUx6B6jmFKUqoOFtHZmmeoDPWTUZZG2TAi4HiJ/+26Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034