UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gkNZN5nTg7tXlUfVWIrykCjmc6Q/PJqsNDqAu7GctYc=' 
WHERE 
  key_id = '754284d16b41c98009105f4844d50c84405b52d7a77b4a71f47732aabd83138f' 
  AND (
    token = 'gkNZN5nTg7tXlUfVWIrykCjmc6Q/PJqsNDqAu7GctYc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )