UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nzNRp0ihfIMbc6jo98To3ad3B++LLFm5pBVR4u3bXRo=' 
WHERE 
  key_id = '6946946fc4f760bff0ff8a28fc949da9f8838a24fa03323b27defe3f15fe1955' 
  AND (
    token = 'nzNRp0ihfIMbc6jo98To3ad3B++LLFm5pBVR4u3bXRo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )