UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ejF27MqBN4KeUpTEJqBLdRQbvUlR1Kzgzvlby+Q+ULg=' 
WHERE 
  key_id = '6868998ac8140de0d6fa8696f9fea20476c1bd3bc07cbed43b42d165b9bcfe37' 
  AND (
    token = 'ejF27MqBN4KeUpTEJqBLdRQbvUlR1Kzgzvlby+Q+ULg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )