UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KjASpbsYtsU9ygCed3KvXLNipRy0r6/UUDOsk7wrV4I=' 
WHERE 
  key_id = '9e871ed5884481c02b8eb92ac5371272575e401fa4f5b4ff135a46f666839b12' 
  AND (
    token = 'KjASpbsYtsU9ygCed3KvXLNipRy0r6/UUDOsk7wrV4I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00043