UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ak9fa/g3L063ENbXuCj3g2vNZgvHc/4t4ADSHEMAk28=' 
WHERE 
  key_id = '6bb08b56e476d9fd6b9de647184e0953e585f203886381a3cb67e2c39dccbf52' 
  AND (
    token = 'ak9fa/g3L063ENbXuCj3g2vNZgvHc/4t4ADSHEMAk28=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )