UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pQ20Ply+PbRfB3sLEuC2EABrt2cNZ6nCucfxm4CJkMU=' 
WHERE 
  key_id = '7936dcc6c6e7a7d2c0471f878a7ff942552fb55fd3f4870d538ad7efa6bd3236' 
  AND (
    token = 'pQ20Ply+PbRfB3sLEuC2EABrt2cNZ6nCucfxm4CJkMU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )