UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RDqJafU9nHvzF4k+f+yifw/t0xD1Rm1yMwtAP3GkrpE=' 
WHERE 
  key_id = 'b23f83b0bbc665213da938e11a0ead64a106a73c7c9ed3da34c907148be1d5ee' 
  AND (
    token = 'RDqJafU9nHvzF4k+f+yifw/t0xD1Rm1yMwtAP3GkrpE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00060