UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fg6DqJ97Dkg55htobUSHgUds/l0C/gwKTh6UXO697A4=' 
WHERE 
  key_id = '4bc49d6da20645a7d4ff3a8ec1e8e020a1814f3107bbe06a8238f9f1363efcf0' 
  AND (
    token = 'fg6DqJ97Dkg55htobUSHgUds/l0C/gwKTh6UXO697A4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )