UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7kBf84kZnWNCYv8JjthP2JEyu4xczJoFbPbqhux/e2M=' 
WHERE 
  key_id = '91278f24c56b57afce39d703d6ef89a56078be3798ce331c1269d67481efd4f9' 
  AND (
    token = '7kBf84kZnWNCYv8JjthP2JEyu4xczJoFbPbqhux/e2M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034