UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Y1IpbedHctgfk45576u7PBBeP8uynBqSgWoBFnP/VU=' 
WHERE 
  key_id = '7aa7f97ebd258d0d2db61dccbe681fe4961bcbe5bb74dc35faf16ca163f9fc3b' 
  AND (
    token = '6Y1IpbedHctgfk45576u7PBBeP8uynBqSgWoBFnP/VU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )