UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z4hQUp7KL6whvNtY6ySwDslRcLQZQSy/AmoOWEegVIE=' 
WHERE 
  key_id = '0a9424563df58b69d39774d703c808095fa22564b744f0d2932689e17516337e' 
  AND (
    token = 'Z4hQUp7KL6whvNtY6ySwDslRcLQZQSy/AmoOWEegVIE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )