UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rzd91IcV3mciew431euxjWNf1zdWmFR3eFlBfEliyr0=' 
WHERE 
  key_id = '2627735e4efa78c3526b599901111b5818e01c4c0a44b968808d6b656a9e4973' 
  AND (
    token = 'rzd91IcV3mciew431euxjWNf1zdWmFR3eFlBfEliyr0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )