UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MMUZaWBxKp1RTLtRuw474BVV/x5euC8p/8YZ84yzLRY=' 
WHERE 
  key_id = '620a13ad8d226078ec5d853160419fc33bac83ff26ef4762fe914b81114e5527' 
  AND (
    token = 'MMUZaWBxKp1RTLtRuw474BVV/x5euC8p/8YZ84yzLRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )