UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '991nDqUI+hZeexu6TEb8yb1rGJkgWW0Ni6lLgm1K2F4=' 
WHERE 
  key_id = '2a3bafa2f08cf3d41bdc88847c51d0208605d229b59a11889290fce7577a32f5' 
  AND (
    token = '991nDqUI+hZeexu6TEb8yb1rGJkgWW0Ni6lLgm1K2F4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038