UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MerbDgxokG4dA9vQ0xx/TqR9q93yxG6MuLjypjR44hs=' 
WHERE 
  key_id = 'ef4c4919dfa2161d82e51cbd8ce5f7efe99ae05b3c210bb3bd7ff11a8983f01c' 
  AND (
    token = 'MerbDgxokG4dA9vQ0xx/TqR9q93yxG6MuLjypjR44hs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )