UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PSBWxGc+MBnMmdWd5Ls4g5PVfnhvAS1CuuHT45OKiTw=' 
WHERE 
  key_id = 'e27eb324851756034863f0ce6eee2a0dfb7281fbf847aefac157049937029f3b' 
  AND (
    token = 'PSBWxGc+MBnMmdWd5Ls4g5PVfnhvAS1CuuHT45OKiTw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )