UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jPvUKX7EoHlMRNiEjp355krtiWjTHrbpyIFofFEinDI=' 
WHERE 
  key_id = '968ac067f79d209be1673956f625c85f5e354e05a39ebdb20b6c25ddad2862d4' 
  AND (
    token = 'jPvUKX7EoHlMRNiEjp355krtiWjTHrbpyIFofFEinDI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )