UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fdnyJFRK7l2PHv2S5Je59vcOXgcE8tSAh+ZZtT87C2M=' 
WHERE 
  key_id = '520e3a246aeafa57bda1150270772fd7b237db124e3db2171e49542a861f82d4' 
  AND (
    token = 'fdnyJFRK7l2PHv2S5Je59vcOXgcE8tSAh+ZZtT87C2M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )