UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'F0AoYNzDLrdpOExe1cyl/nQAXGwOgmqgzqSjHOVgNYg=' 
WHERE 
  key_id = '51a73490d756952bd7f9d96831a49521de3dba2867fb9213dac403f26e909672' 
  AND (
    token = 'F0AoYNzDLrdpOExe1cyl/nQAXGwOgmqgzqSjHOVgNYg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )