UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T8uxPxE+XUTWwIa31fgwR8zoN23oDqP7kJlIsIzR8OI=' 
WHERE 
  key_id = '493a3d392c1b0eeb89559806429b211a52e72b68d7a3a4922f1e76ee448c9e61' 
  AND (
    token = 'T8uxPxE+XUTWwIa31fgwR8zoN23oDqP7kJlIsIzR8OI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )