UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Epxop9Gjti1EQUbs2KD6BpRiptqsbjHhpYJQlhjOYVY=' 
WHERE 
  key_id = '1b8026f28431cb481d715053371e04917d57c1516b78d99d7c3cf1f8c7b4a127' 
  AND (
    token = 'Epxop9Gjti1EQUbs2KD6BpRiptqsbjHhpYJQlhjOYVY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )