UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z9LDFYmCuVcJh465chzzl03MRFAmHkFPcOf563HJE+4=' 
WHERE 
  key_id = '7971c11bcfd37a93dfe023865eeca35ce1002de4f6e4ff226b076b69ad736347' 
  AND (
    token = 'z9LDFYmCuVcJh465chzzl03MRFAmHkFPcOf563HJE+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )