UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PxgY39VFOpMTgRlxzUb9XUL6VC/TqagERzze+MglvjU=' 
WHERE 
  key_id = '29baf3c16a6409b606d978be52c6861b011e9aaa0de983068b3e28f7e0c9934c' 
  AND (
    token = 'PxgY39VFOpMTgRlxzUb9XUL6VC/TqagERzze+MglvjU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )