UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4PVVLLz7+W0AzDSNqcmlimzbP/Cy2yRT6km3zK9LAPM=' 
WHERE 
  key_id = 'dc6f522bf8cff6aca56762bc34fdb0a23c2adc7be54e9fcd81dc1e602f3af528' 
  AND (
    token = '4PVVLLz7+W0AzDSNqcmlimzbP/Cy2yRT6km3zK9LAPM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )