UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ajfad1+wrhPsZGXowb/uP8eUnsJxvzas4OYL1uFP/2s=' 
WHERE 
  key_id = '1bec2c97a40690a914816f55f6273f0400c13f480622bbc891e9d0c1da8f3a73' 
  AND (
    token = 'Ajfad1+wrhPsZGXowb/uP8eUnsJxvzas4OYL1uFP/2s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )