UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WwNZ+CIDY1b19yvjKRr+cuDS0AkkanbfhcRpNS6WfAw=' 
WHERE 
  key_id = '6b71a12a8e08a9370f571a0939c0ec0200a8d5eeea64f2188946669c3d24b506' 
  AND (
    token = 'WwNZ+CIDY1b19yvjKRr+cuDS0AkkanbfhcRpNS6WfAw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029