UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RK/PBPyscKdQnBLoU0MSf7UHtcuij2gijBJAIE9XQyk=' 
WHERE 
  key_id = '199777a2a733a0f22e16514ebb8669c429733cdbb7fc23b41628d228c541021b' 
  AND (
    token = 'RK/PBPyscKdQnBLoU0MSf7UHtcuij2gijBJAIE9XQyk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )