UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P9gih4/P0md2rQ1Y8Rj1rP+DEZ6VUWWsKjpjJfagF74=' 
WHERE 
  key_id = '1b9ba1aec73d15de204978816f63121058a7e457da3894d3a249e0dda954f398' 
  AND (
    token = 'P9gih4/P0md2rQ1Y8Rj1rP+DEZ6VUWWsKjpjJfagF74=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )