UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+DtDMh6KROmq7WyxotcPlVo1bjoZrvtGNj4vx6sU4lc=' 
WHERE 
  key_id = '39cb3f083491a4b40615b73ad20067e46ffcbc3f86d7f0dbd858695200c5ff4a' 
  AND (
    token = '+DtDMh6KROmq7WyxotcPlVo1bjoZrvtGNj4vx6sU4lc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )