UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wcp30fPN85yHqfHZr0lVN4vaWeTG54cASqn2FE318UM=' 
WHERE 
  key_id = '2a77638f01f21945635742a76231db3b8e24d0771c2ebff5fee9f001d40c80e9' 
  AND (
    token = 'wcp30fPN85yHqfHZr0lVN4vaWeTG54cASqn2FE318UM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )