UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1kny76v8h6TOVfIcMJvCAXBqrhr4d0K7wS+Sov/Ib4s=' 
WHERE 
  key_id = 'ebe1fca98358e51f708d8354dc676942ae5a04a28f4702e2a14ac87c27409412' 
  AND (
    token = '1kny76v8h6TOVfIcMJvCAXBqrhr4d0K7wS+Sov/Ib4s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00048