UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j+A9971WPWXtu6nUQNxelvkkRuAeUZobuJDtYjwKrIA=' 
WHERE 
  key_id = 'b740e012a73d9a213f5c0cd0bc48ee952552817a1848a582acb7421792c07149' 
  AND (
    token = 'j+A9971WPWXtu6nUQNxelvkkRuAeUZobuJDtYjwKrIA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034