UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'csUCYojkhM688HCQsur7Ca899X62GNJTU7T4NMb9jzw=' 
WHERE 
  key_id = 'd99ae930825602620123ca47b19eaaf7d8283c22afbd5af4069956c9e4e50bb5' 
  AND (
    token = 'csUCYojkhM688HCQsur7Ca899X62GNJTU7T4NMb9jzw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00015