UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FgkzLnfX6F9n7I/fKBmK1/+3stwVPwjY5XXyMfB2CT4=' 
WHERE 
  key_id = '51b9d620bc82e82a5cb574bb911fa83d120e8c556a4d3cb851719a86f71eb445' 
  AND (
    token = 'FgkzLnfX6F9n7I/fKBmK1/+3stwVPwjY5XXyMfB2CT4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )