UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M/PgRFdhNfeiZ8sYjjQgLUaFcN/bB0omFn8WpF7ybHU=' 
WHERE 
  key_id = '247f7fc70ae6e3fcae5781588671d3845897c940a67602a9942aa116d04adb82' 
  AND (
    token = 'M/PgRFdhNfeiZ8sYjjQgLUaFcN/bB0omFn8WpF7ybHU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )