UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'um8MrE8Za6zDMQk3Gsegx+Xufd0syW3t8PHEITZqJHY=' 
WHERE 
  key_id = '27cf3437d65528b4f9dc46b3b53c2cfdf8c49a083d39f0dd55fc04219b3cba2b' 
  AND (
    token = 'um8MrE8Za6zDMQk3Gsegx+Xufd0syW3t8PHEITZqJHY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )