UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BxuZg8ycemgrp0yRvR8K/fg4Rq9sQetL9IKTW+Si3Co=' 
WHERE 
  key_id = '6adc21b470172e54aa36f979757e0a678457aa223553778a35169f82a06d1300' 
  AND (
    token = 'BxuZg8ycemgrp0yRvR8K/fg4Rq9sQetL9IKTW+Si3Co=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )