UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tmyHYvULYCEd31uSOWzPjvKGtagx3jylTczTPspoPUI=' 
WHERE 
  key_id = '8a4163bc6148d0901ba43eb882e8dd408deadd216646426e24d384200b851bd1' 
  AND (
    token = 'tmyHYvULYCEd31uSOWzPjvKGtagx3jylTczTPspoPUI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )