UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QReHw2CrPFp7OjNGlUbOt95K21xGUVFPU9XPkL2ZzCw=' 
WHERE 
  key_id = '5ec68bf8d9605999fca28a2ec1d46b540ea7694139f04283d1345b694cf1738b' 
  AND (
    token = 'QReHw2CrPFp7OjNGlUbOt95K21xGUVFPU9XPkL2ZzCw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )