UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0jOd6UNrT3XE/OANB0WYH5HusXwUnoS7YtiZQC01QMc=' 
WHERE 
  key_id = '16c5c2bd3d74c4baa667e086c1c9f1a0b04be4a8539411c9750e430f9335760e' 
  AND (
    token = '0jOd6UNrT3XE/OANB0WYH5HusXwUnoS7YtiZQC01QMc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029