UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OmpBka8dSzXf7cKhHvMVVuQY4b97VlLVMzzCVdy6zLc=' 
WHERE 
  key_id = '97050978bc85290ab80898ce3ba0bfe5456c4a058a9c901989c8626aeaea1550' 
  AND (
    token = 'OmpBka8dSzXf7cKhHvMVVuQY4b97VlLVMzzCVdy6zLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )