UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M+840SgUvHRxXFYkssiTN0yi6h8ISUAZssNAszL2Gtg=' 
WHERE 
  key_id = '8ca20a6e4904a642b26e198d65990773ac28d7a961538c14f9f52afaf8cf6c1b' 
  AND (
    token = 'M+840SgUvHRxXFYkssiTN0yi6h8ISUAZssNAszL2Gtg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )