UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kyLXstYcNXDKoVg6X8WExd4zNu5wacS9LJTmm7UOQ+4=' 
WHERE 
  key_id = 'e6d3b23569ae88b58439fc696f9f82dfc6b06d0b0c8de7f75bfee4999183bff1' 
  AND (
    token = 'kyLXstYcNXDKoVg6X8WExd4zNu5wacS9LJTmm7UOQ+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )