UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cev/4hynMzojCn4rSpf96Eie7I0aMyfu+6SQ6Ovv1X0=' 
WHERE 
  key_id = '6bfb527a8948605788833b188d615f38ad84838bc0008a55d6f538a2c4001636' 
  AND (
    token = 'Cev/4hynMzojCn4rSpf96Eie7I0aMyfu+6SQ6Ovv1X0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )