UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A/ZAAwYJH9XP2SDPsFg2kMd54sZqbsHuYG1tk55J6rQ=' 
WHERE 
  key_id = 'e5eda70ff2d4e862c42b664a9a4301bc00cc13e2eda5ff9f94c8b96da3343807' 
  AND (
    token = 'A/ZAAwYJH9XP2SDPsFg2kMd54sZqbsHuYG1tk55J6rQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020