UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W5/YIdI2ggoIbDsKWGjpa6LJOgQtfCAntOpOTXFodp4=' 
WHERE 
  key_id = '6c2cb978f6277ba8ecbba6930c6de0274e891f8c35c0c8260f358ebd32b342c5' 
  AND (
    token = 'W5/YIdI2ggoIbDsKWGjpa6LJOgQtfCAntOpOTXFodp4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045