UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CR5KZwwZqE4z1ojmXSE/SZUV7pz9GDHDMZ40lum2rjY=' 
WHERE 
  key_id = '6bb8281f1220e94a09cc7ff85b4ae09dcb90747d4286b39e24e30a5683d67ae5' 
  AND (
    token = 'CR5KZwwZqE4z1ojmXSE/SZUV7pz9GDHDMZ40lum2rjY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )