UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rmp/mES8m69hXUv41jQRdp8OKJ8WGbkL1TF9uErroD8=' 
WHERE 
  key_id = '25e55ab8250b402ccccc047b14d8564b74f88cfbc7fb98cfed1deaddfbe37bac' 
  AND (
    token = 'Rmp/mES8m69hXUv41jQRdp8OKJ8WGbkL1TF9uErroD8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00043