UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G6w9UljCKPsHv3dtskOsdDGas+HA84bu8tnmZwN8qzk=' 
WHERE 
  key_id = 'c212e88ecf528c034a85087ccc9176c9ed42397a17ce0f7620beeca9423e9c59' 
  AND (
    token = 'G6w9UljCKPsHv3dtskOsdDGas+HA84bu8tnmZwN8qzk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026