UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sl1qfU4aemdnWYZypg87gE1L1cr8tfV/v+cs98D27n8=' 
WHERE 
  key_id = '51b4b53c7f654129b24e928ce906043cae36bfd46322f50f0fcadf49114327c9' 
  AND (
    token = 'Sl1qfU4aemdnWYZypg87gE1L1cr8tfV/v+cs98D27n8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )