UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pjwf/gR4YX21HhG6v+9HkXuvhq1YVa7tAx+fzok2pvk=' 
WHERE 
  key_id = 'a091f166748979d81cc5402ee3432f998d78991aaf670af15dc8034fb1061d7e' 
  AND (
    token = 'Pjwf/gR4YX21HhG6v+9HkXuvhq1YVa7tAx+fzok2pvk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )