UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pPfbG/IkFgE4Iarn4W3rY5FMK45VTrRAvKOHImVNWtU=' 
WHERE 
  key_id = '063ebafbdc01c2446a76ba81b261301a6319d2b13950d9c2a4644e63c729597a' 
  AND (
    token = 'pPfbG/IkFgE4Iarn4W3rY5FMK45VTrRAvKOHImVNWtU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020