UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K+P1dqO29TdcOG62BS3HM5TVJBNFqzlh1YAjBr9qXTQ=' 
WHERE 
  key_id = 'cd36f693aa381b419dda53423f51875188066cc5a05f8848e27a0349374355dd' 
  AND (
    token = 'K+P1dqO29TdcOG62BS3HM5TVJBNFqzlh1YAjBr9qXTQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )