UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RWJCXRalKy9Zhv3Kb0LblNXHuLFp//ZO6HjDI4kZGig=' 
WHERE 
  key_id = '6127d3ac688c7f36b29e1e0a2eb630a5fcd3ef7fceb9ae28e2b5d04a41d0046f' 
  AND (
    token = 'RWJCXRalKy9Zhv3Kb0LblNXHuLFp//ZO6HjDI4kZGig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )