UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nNmcoHkAr+Dl7fiTvktTR2GDiIrhnJltZpUekOMIsOs=' 
WHERE 
  key_id = '2836e4f1eca8d9f7bc379774f2404f48e8c29b26bddca946dd328f23c8c9527b' 
  AND (
    token = 'nNmcoHkAr+Dl7fiTvktTR2GDiIrhnJltZpUekOMIsOs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )