UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y5xNf3rkw6bPZHRFG94+NnWsiV/pw+s6dXHN2MsgPco=' 
WHERE 
  key_id = '6c667008c9014551ae1696af9550ca94369fcc6cd8455bce0cd64962dc341363' 
  AND (
    token = 'y5xNf3rkw6bPZHRFG94+NnWsiV/pw+s6dXHN2MsgPco=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028