UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pn6zDizspU8DknM1KeeGkbkLxZHg1rbcqXq8w/GQwQE=' 
WHERE 
  key_id = '140d0e4d0e768092e6fcc84495e923b4e965112a437aee2f524c38f01351a1d6' 
  AND (
    token = 'pn6zDizspU8DknM1KeeGkbkLxZHg1rbcqXq8w/GQwQE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )