UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6MGze6rDLNE8tCbcO9eIIVS1+itMdV6EjtoOqDIx7vg=' 
WHERE 
  key_id = '2e2381b3f5b34810731ca06fdb729a7718816d702aa830981f156dff5ab945bc' 
  AND (
    token = '6MGze6rDLNE8tCbcO9eIIVS1+itMdV6EjtoOqDIx7vg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )