UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't/ZMxZtNy5eYKhrLrs2rivghdpbdgQVPeED8TtzHlkU=' 
WHERE 
  key_id = '93cf8bc7406b575e5ccc667c0128200c68fcf7f7492a38fc0ddc1ff2ef155265' 
  AND (
    token = 't/ZMxZtNy5eYKhrLrs2rivghdpbdgQVPeED8TtzHlkU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )