UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I55jRP3mvMGC92Vt7/kz9uc07hWLyQo9GRK+EO14gV0=' 
WHERE 
  key_id = 'd5edf0288afa1b605d0e9b9a1518bcdf8cff3cc86edbb1cc93d69159f1743644' 
  AND (
    token = 'I55jRP3mvMGC92Vt7/kz9uc07hWLyQo9GRK+EO14gV0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00019