UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ekIhbcZseiegoljlSfQB7Y22m0asCtfSw7GymNMbXb0=' 
WHERE 
  key_id = '834656bc5eb8f7f7da09de9b802bb465a80624d51043a0b706814f0f61b1af2a' 
  AND (
    token = 'ekIhbcZseiegoljlSfQB7Y22m0asCtfSw7GymNMbXb0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )