UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ALAN+QEq0pt3cfXc2FULvq4jcvViWTf3G6KknP5PHec=' 
WHERE 
  key_id = 'b27b939a78c91f5a902ea8d238b37643003ad844b2477516579701f42b64b9f7' 
  AND (
    token = 'ALAN+QEq0pt3cfXc2FULvq4jcvViWTf3G6KknP5PHec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )