UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CKJJ/IZAl/br8CDy0gnB/CuzNez8gxEimxUNsymfNm8=' 
WHERE 
  key_id = '53adc1fac9eb79d5d2301a1d0a79802a06762fe0d2aa3e706080a5c527cacb56' 
  AND (
    token = 'CKJJ/IZAl/br8CDy0gnB/CuzNez8gxEimxUNsymfNm8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029