UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RCrtnsbUmsQUFlsuYa50z1UnfpP+xijBRKycKVE7N2I=' 
WHERE 
  key_id = '2fc93c0c9bd7c61e0d988b22709b816bc34c44efd60798d7035660870bc0b4c7' 
  AND (
    token = 'RCrtnsbUmsQUFlsuYa50z1UnfpP+xijBRKycKVE7N2I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )