UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kHjQ/Lo2e/VVHJJet2i5yttclmS5BptyCIpUzAcBvmc=' 
WHERE 
  key_id = 'd47d89f9202ab2a0d72b49deb241009d830f525b192afe5e95c6932c92540873' 
  AND (
    token = 'kHjQ/Lo2e/VVHJJet2i5yttclmS5BptyCIpUzAcBvmc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )