UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't93s4QdDc/bBbpidDFNkzqTKgkmIFgNi3n3uBuZsPcY=' 
WHERE 
  key_id = '6b8533eb2cfc7a1f961517c3a0d12f6f93d17fd9ea2713ce0c5f8d50b31a9dfe' 
  AND (
    token = 't93s4QdDc/bBbpidDFNkzqTKgkmIFgNi3n3uBuZsPcY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )