UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm18/tYUhGK671rFOpgYSeWvxuKDhd6TYS8KwWAeygnM=' 
WHERE 
  key_id = 'f7bba91dab16d416ed41c773c77a354d9cb83da84d4628e866d414bdf28eb946' 
  AND (
    token = 'm18/tYUhGK671rFOpgYSeWvxuKDhd6TYS8KwWAeygnM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )