UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MVJLNVAk1aGAirYTzLP/Ttj37yEnemdRnlB85yESMDI=' 
WHERE 
  key_id = 'b6769a31acf17ed1ee5b40f1ea7350e88b94df36c14bee49b86633cc6194ddb8' 
  AND (
    token = 'MVJLNVAk1aGAirYTzLP/Ttj37yEnemdRnlB85yESMDI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )