UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q81WERqMY1N74lkbiWLpypWb82bGtas4okIuAuCYdpA=' 
WHERE 
  key_id = '7638e89d8db40d6a398c2518030778595e86b0c25dc73e3f4e923c2439117004' 
  AND (
    token = 'q81WERqMY1N74lkbiWLpypWb82bGtas4okIuAuCYdpA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )