UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mPi8caMWuatDy50t+Jh3sFGiCgzDHFYVeJNPf2zHhak=' 
WHERE 
  key_id = '900accc7b58856f7cfb52109b2de8f2343a94262fdfdae5f8bef548f5621cf21' 
  AND (
    token = 'mPi8caMWuatDy50t+Jh3sFGiCgzDHFYVeJNPf2zHhak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )