UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'enh0LFRAgU3nQzH8ne3FDLWDes6g7vSICLP1ApaAcZg=' 
WHERE 
  key_id = '5518fcc9be39f723b361257e4a4221419925e4fc3a80e806d1fe473ceb917bca' 
  AND (
    token = 'enh0LFRAgU3nQzH8ne3FDLWDes6g7vSICLP1ApaAcZg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )