UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EgUGceowt/mqT7aYR8FnB5OHkePZA8THmdUfsmhM/84=' 
WHERE 
  key_id = '9891f5691bcd7579eac079a1ba34270c679eb4477eaf6405817e179826cc8a3c' 
  AND (
    token = 'EgUGceowt/mqT7aYR8FnB5OHkePZA8THmdUfsmhM/84=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034