UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MEiUkHnrocCTAfqZqSWpsG63zmzZNGVywC9LGhbvskE=' 
WHERE 
  key_id = 'b7f545429b08e15694126b60b22691653f976b92fa546fefd7d09f4efd25d2e9' 
  AND (
    token = 'MEiUkHnrocCTAfqZqSWpsG63zmzZNGVywC9LGhbvskE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )