UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PxGFe9E+HJLrO0wuzc3masadgzjqiDhMl5BPOTswKxc=' 
WHERE 
  key_id = '845f841c568c6656f45ee63bd6d991e706a9f4cfd98c18e39c626b2149e485bc' 
  AND (
    token = 'PxGFe9E+HJLrO0wuzc3masadgzjqiDhMl5BPOTswKxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )