UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G9vnJuIAvZvfrGRCLPTmYqSwl3nsbVIaJ17HHJjzqUg=' 
WHERE 
  key_id = 'b15a17e4e403f746fdb44246fe93902afe101d6e87433eafb0f5550515516e0b' 
  AND (
    token = 'G9vnJuIAvZvfrGRCLPTmYqSwl3nsbVIaJ17HHJjzqUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )