UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NQbsZ0EMqEY+ZeCODYfF8ynx7uw8+AA6iu0vnCNmaXA=' 
WHERE 
  key_id = 'f66970083ecea5e49276285ef0df941f2d7859ce5ce7541046edf32b9ec6dd55' 
  AND (
    token = 'NQbsZ0EMqEY+ZeCODYfF8ynx7uw8+AA6iu0vnCNmaXA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042