UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NKBdLAilTEOzm0om6emHT4KHzL4vaULnWnNukAzC2TU=' 
WHERE 
  key_id = 'ec5695eab826fb34b4ddd73eb39ebd29683bb99a55576d9a2ba8dd9bc37c8ede' 
  AND (
    token = 'NKBdLAilTEOzm0om6emHT4KHzL4vaULnWnNukAzC2TU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )