UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yga08OAMMoNfP91VKWV0SAOqHN5U4kaWaV6RfLkbnIg=' 
WHERE 
  key_id = '815bb6946dc969c6442b77349db51b764ea83b1e1e08b99213a83fe57c4475e5' 
  AND (
    token = 'yga08OAMMoNfP91VKWV0SAOqHN5U4kaWaV6RfLkbnIg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )