UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FzO51fZA0gRQNmJ1aQ5EZJtMBV88zVr8WsyeQRdqon0=' 
WHERE 
  key_id = 'de64039d7e99a3a7a253dbb4fd418a07b1faae48e12a7fa01e67b16d8bf47869' 
  AND (
    token = 'FzO51fZA0gRQNmJ1aQ5EZJtMBV88zVr8WsyeQRdqon0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00041