UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RJc6zB1cCjXQi+0dmHKXUKBvANI0xx5lYpiVlibzipo=' 
WHERE 
  key_id = 'fe1b515eff9236d96cefbfec961690adcad5231c53345c409bb034acd20f6d53' 
  AND (
    token = 'RJc6zB1cCjXQi+0dmHKXUKBvANI0xx5lYpiVlibzipo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00057