UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CrR0xYmymf+DqKzHSsTjBijzx0CQ8imd4LNM/nR4y8I=' 
WHERE 
  key_id = '81a995de44e9594a1bbd2e02222150716af58156387df20cd34427a5779f5bbd' 
  AND (
    token = 'CrR0xYmymf+DqKzHSsTjBijzx0CQ8imd4LNM/nR4y8I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )