UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VPqbLFICDEzktybhEX8hwDhbdT7krzwJ7hLqYcSuxfI=' 
WHERE 
  key_id = '817e611eeece201df6b7bc6fd7a5350066d5c20c084530d76feded35448535e0' 
  AND (
    token = 'VPqbLFICDEzktybhEX8hwDhbdT7krzwJ7hLqYcSuxfI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )