UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kI7RxiiXD3euxv9W5FOz1My/4O0K0qgNqZSf9xPpVIY=' 
WHERE 
  key_id = '7918445519fc20d0ac436cfc990cca181eb9f0d75dafbe2d49e0440fdba6a19e' 
  AND (
    token = 'kI7RxiiXD3euxv9W5FOz1My/4O0K0qgNqZSf9xPpVIY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )