UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qf912mzj0vmZeFUY6C2UHm3Z86Bv5OkIvGBuUusM89s=' 
WHERE 
  key_id = '1e4d912996a64a8dd87a8a98341b3b10386c507a9d29b3b1c3493a84a735fa00' 
  AND (
    token = 'Qf912mzj0vmZeFUY6C2UHm3Z86Bv5OkIvGBuUusM89s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035