UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nKuwRUf3yuDIK2DbkcRxuQXsMDNY8bzLnh5VY7f2P5g=' 
WHERE 
  key_id = '780672dcc533ec0be5d133ffd38289dc8e0d1c6d66e4e6099298b3c317d45c66' 
  AND (
    token = 'nKuwRUf3yuDIK2DbkcRxuQXsMDNY8bzLnh5VY7f2P5g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034