UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'SKCOuIuv74/FCa+ZxmrdXk4MbvXQF9NUOGj7woURB8w=' 
WHERE 
  key_id = 'ac77eb8abfa1e6c3a94e1d3ade5afaf4910d84a985cdb03e3f08545bb1d0e550' 
  AND (
    token = 'SKCOuIuv74/FCa+ZxmrdXk4MbvXQF9NUOGj7woURB8w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )