UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ygmRhFYhGBTiUQ7b8io1uFpnydEtPEW/bg8Pm7Oztw0=' 
WHERE 
  key_id = '50f424ae3ad6bf9108885ff991204cfdf23999e33c7bc9d8453d9ea1dcab8322' 
  AND (
    token = 'ygmRhFYhGBTiUQ7b8io1uFpnydEtPEW/bg8Pm7Oztw0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030