UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FZFOBLFjV10vq0dT5mLg4FoROekpg2c0mTjMmaIxCIk=' 
WHERE 
  key_id = '6312b938b6694aaecc79a61d3c0b5dfdb3bf5d8621c6d884a5204c95e255202f' 
  AND (
    token = 'FZFOBLFjV10vq0dT5mLg4FoROekpg2c0mTjMmaIxCIk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )