UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vae7VwiigOcKdyIbg+Kx84FTbgHMWQiyGhFFcufXSUg=' 
WHERE 
  key_id = '4c252dcd85ef79f795f5920a6b8b1edd5debb61cf59310d2634df93f634a0da8' 
  AND (
    token = 'Vae7VwiigOcKdyIbg+Kx84FTbgHMWQiyGhFFcufXSUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )