UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+Ns/nHRPjZ0kj0VHek4nSW589hPsFWvnF61buywu1nQ=' 
WHERE 
  key_id = 'f4e700a3790f0031f1503485c9c3a7ad51e07e200f4da5e26709d33dfd8be29e' 
  AND (
    token = '+Ns/nHRPjZ0kj0VHek4nSW589hPsFWvnF61buywu1nQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021