UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eNJiuEToz5zh0n9pA1Ufcg/O4ZcyGoCA1Tg6Q7Lou+o=' 
WHERE 
  key_id = '8671c3bdce601355e4e087a885a0b91b51b083841edec3f2a6935ef74bd10636' 
  AND (
    token = 'eNJiuEToz5zh0n9pA1Ufcg/O4ZcyGoCA1Tg6Q7Lou+o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )