UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1m1hRWQhAUKCWLX88yF22dXLQnyGUBra7vDISuZLm9s=' 
WHERE 
  key_id = 'ff9ccfd0f3d8895610e07482ba27a8889e3c1b3a82bf5666d4a71a0e13a0b2c9' 
  AND (
    token = '1m1hRWQhAUKCWLX88yF22dXLQnyGUBra7vDISuZLm9s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00050