UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gY+79k4WtnDBuIKSWEIMIUTwdWhUgVkzxRLTg3kMMgY=' 
WHERE 
  key_id = '4b801a969f3452e9a6505d963e9091d8f9c4e55942c81ec39268c82b4ccbd36c' 
  AND (
    token = 'gY+79k4WtnDBuIKSWEIMIUTwdWhUgVkzxRLTg3kMMgY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )