UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gxz/9N69+F3vDS1QdgCLrIJp+5THfLGEdu2VVmk3ybg=' 
WHERE 
  key_id = '5411f9487d2468671e28aba6e3286d889e1dc254c80885b9ae4fa2079c38a65b' 
  AND (
    token = 'Gxz/9N69+F3vDS1QdgCLrIJp+5THfLGEdu2VVmk3ybg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )