UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RmdSd+PBuZDhe5p7KxF9hxatYp3o99oYqJFK6gX2Rvs=' 
WHERE 
  key_id = '2c7749fde91b749825d94961d9338f7c0f343318b7cca4f404e6b57369a8aef8' 
  AND (
    token = 'RmdSd+PBuZDhe5p7KxF9hxatYp3o99oYqJFK6gX2Rvs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )