UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6pp+MuPkycbuDfqKn+QbfpEK3pmxk6M8YkIDc178sw=' 
WHERE 
  key_id = '3b50b8be8286248cb6809197d9c31258895925b9b60a1a4a59fca84b8a65e754' 
  AND (
    token = 'r6pp+MuPkycbuDfqKn+QbfpEK3pmxk6M8YkIDc178sw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )