UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I40beF0rxp/ni+KdJaYWylkdYMf0nL/RUYLd1BBPomc=' 
WHERE 
  key_id = '1451bd835990cb1da21706090a09ed38e811a0e44b9594f8b228812a436728b4' 
  AND (
    token = 'I40beF0rxp/ni+KdJaYWylkdYMf0nL/RUYLd1BBPomc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )