UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kh/VKG8VVhw8Imnw1dLMZtt78uuQinfRz67N1UFGnGc=' 
WHERE 
  key_id = 'c4677d6f4770427d0a2cd24a0c0982200ab3bef99642d073ad0103b1334000c6' 
  AND (
    token = 'kh/VKG8VVhw8Imnw1dLMZtt78uuQinfRz67N1UFGnGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )