UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e8bB1T3zRNApzD/ybScF4rskpDDXvXxHeAuh+YFaAL0=' 
WHERE 
  key_id = '2b8cbbf582fddb848388de3f7b824ecc223fba58260a6cc5e3ecfb029674f4b1' 
  AND (
    token = 'e8bB1T3zRNApzD/ybScF4rskpDDXvXxHeAuh+YFaAL0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )