UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H5i/s2y1N6TkublfIQaS9MeM5B1+UtxUafMRPn2eHJQ=' 
WHERE 
  key_id = '476ea34f08207f876611c4054cfe1ed9980b4f03a6cfdc21154a506c526cda3f' 
  AND (
    token = 'H5i/s2y1N6TkublfIQaS9MeM5B1+UtxUafMRPn2eHJQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044