UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AnUxuu0b4T5q7Yr42WvGR3PcaKa6bU+F4s0nasb+cd4=' 
WHERE 
  key_id = '7216b76fb452e5678d10911deb93ce0c52f0aaaabe8c423ffb45009dd188a672' 
  AND (
    token = 'AnUxuu0b4T5q7Yr42WvGR3PcaKa6bU+F4s0nasb+cd4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032