UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IiksvP+MbCCCVdoFmeDV8UxHlcsQ9nmegxI3nHUA69Y=' 
WHERE 
  key_id = '296c987f25c355fd86cb9a56c4b1ae9bfb0df8c75fb7a184a1e0d9735611f69f' 
  AND (
    token = 'IiksvP+MbCCCVdoFmeDV8UxHlcsQ9nmegxI3nHUA69Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038