UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T6inF0L8QNZMdecL277vRR9/8qYIqG3Z5J4A+KgCZH4=' 
WHERE 
  key_id = 'afa73ac48929ea4a6b6a3adda21ba7e0775f51a17736dafd1c830eca3a0c1d1e' 
  AND (
    token = 'T6inF0L8QNZMdecL277vRR9/8qYIqG3Z5J4A+KgCZH4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033