UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VJwViX7BOSVEoVTq6O6LE8SKXKcliLj2V6JrMhtXyI8=' 
WHERE 
  key_id = '8761d3176bdae873bf97e7f5fd85eb2b3bf99f8923feed8ba6be423bce0a4e0e' 
  AND (
    token = 'VJwViX7BOSVEoVTq6O6LE8SKXKcliLj2V6JrMhtXyI8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023