UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wte7+/ggsZ/4MPiZY8oROZ3QMZmCU/bka2h6DGKOz90=' 
WHERE 
  key_id = 'a7f20dfc7e9f54ec55a2aba587adc09e75031cc06ea57644e0b0faf0e12e37d5' 
  AND (
    token = 'Wte7+/ggsZ/4MPiZY8oROZ3QMZmCU/bka2h6DGKOz90=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030