UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MzmWurjJCDkWHbsRfzh8T/h8pR6xVsTdaSC8wNg2B4E=' 
WHERE 
  key_id = '6d862f0e371e34cfe0402f20f8c7ccd78356131ca49de0a6a5ade2e18e931620' 
  AND (
    token = 'MzmWurjJCDkWHbsRfzh8T/h8pR6xVsTdaSC8wNg2B4E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )