UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KEYEpPdy5Ny8vCOLHaf9cc1GphiICYt+CXfGfTaL6bE=' 
WHERE 
  key_id = '6fd48b8612bbdc43b7c61e3b72cd245145471a609d7597f3d8aae966d460ea12' 
  AND (
    token = 'KEYEpPdy5Ny8vCOLHaf9cc1GphiICYt+CXfGfTaL6bE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034