UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pHabYHaQyINYpkCW8LkEhE4UFa7ipHYxGJ+VmdPM0oo=' 
WHERE 
  key_id = '0b126ac1532d5a4d147acae68d1a916661b77580cee58a7868ce5c3e23df3c78' 
  AND (
    token = 'pHabYHaQyINYpkCW8LkEhE4UFa7ipHYxGJ+VmdPM0oo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026