UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MpwG0vJVKrxdPOnQJmBMj6znIK7Xxgv8IuvEWK1M5R4=' 
WHERE 
  key_id = '4a0e6a87b5db279d154be1539729a83056a39d023b94d5031a4ad10a880f212a' 
  AND (
    token = 'MpwG0vJVKrxdPOnQJmBMj6znIK7Xxgv8IuvEWK1M5R4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )