UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j7/70AwKK12DEK3sinIaZB+/7EdH5nYzsUBNbodIScU=' 
WHERE 
  key_id = '5ac545079951c5a77a77e4ebe7fc2a9a9ecbcb0b0fc7be82d716a78f8700a813' 
  AND (
    token = 'j7/70AwKK12DEK3sinIaZB+/7EdH5nYzsUBNbodIScU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022