UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CsfUkkCDbdwupX+Qw/X6dQA2xWpUROXLfe5fInsyvus=' 
WHERE 
  key_id = '84a234511f29c3f4215b0fd369048b947b37b81d835d9f47228334ae4f8d93fa' 
  AND (
    token = 'CsfUkkCDbdwupX+Qw/X6dQA2xWpUROXLfe5fInsyvus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )