UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iB1JI/k2A76huuSlCfj0FyS/B2WQ6EVHJd8R3vcWjYY=' 
WHERE 
  key_id = '4e483949d5701be3a7a0570db2b1aa591e32231c122d20a48157935418274dc8' 
  AND (
    token = 'iB1JI/k2A76huuSlCfj0FyS/B2WQ6EVHJd8R3vcWjYY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )