UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fNlKFhUM6WmOzpeQ5n2ZEDG9OfikVw+hEc3UcSwE9YA=' 
WHERE 
  key_id = '85d53039b558135bf00c43defdbd55edd6bceca6c66f626c8e1b4334a8fa9e58' 
  AND (
    token = 'fNlKFhUM6WmOzpeQ5n2ZEDG9OfikVw+hEc3UcSwE9YA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021