UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mC/tYDI984rmaqengOTkodm+V6ZJQgDZR/HcNf2DeIY=' 
WHERE 
  key_id = 'b949ef4e41e1cd634a9408ed91b6764b38af17533cdfce02f60a7f76b4ea46a9' 
  AND (
    token = 'mC/tYDI984rmaqengOTkodm+V6ZJQgDZR/HcNf2DeIY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )