UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rU8T1AMlmTyfL9/Xzw+rXxaRvhKSAOVTWsdCp97GH08=' 
WHERE 
  key_id = '8f49175fbdbb44d2ce5823a027be527daecd9a8458ac09b6205549cac8adf422' 
  AND (
    token = 'rU8T1AMlmTyfL9/Xzw+rXxaRvhKSAOVTWsdCp97GH08=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )