UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QFg/ShYbckjTYW7GcfDdUkZZihLrKdWvGy+tHykLxEE=' 
WHERE 
  key_id = 'a843e64b872c5db21eb94f76fef135e607a5d8b8b3d804acfa3449be3b481a81' 
  AND (
    token = 'QFg/ShYbckjTYW7GcfDdUkZZihLrKdWvGy+tHykLxEE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )