UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dxG5AuH5ieyIeITi8vhA65cNfzwUXoyJW1ZGtZvl/K4=' 
WHERE 
  key_id = 'c6b38e95bec20485d8991a12015ab81052e94ac076deaad93912252adfe63037' 
  AND (
    token = 'dxG5AuH5ieyIeITi8vhA65cNfzwUXoyJW1ZGtZvl/K4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )