UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q4re70cW8e2h1oNImtUFP02vmHL5VENaFmWR4++rB04=' 
WHERE 
  key_id = '50f178573a32d4751594d3d528ee940a7757596c166e39251e24daa758997288' 
  AND (
    token = 'Q4re70cW8e2h1oNImtUFP02vmHL5VENaFmWR4++rB04=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )