UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7y6T8Pu9QtCTIRPtDGVg6Fft42baQwYFNuIv7ByU29Y=' 
WHERE 
  key_id = 'b51750c9263700d1a6e757f3c42f47699e624e809a334e77de9212718b83fa82' 
  AND (
    token = '7y6T8Pu9QtCTIRPtDGVg6Fft42baQwYFNuIv7ByU29Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )