UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kXhS5riJH+9t8/sV0EQcnSsvoQ/7SN174tbZcaBcSEg=' 
WHERE 
  key_id = 'bb2739e471f39f4ae6d1269edd4021a3570160396d9a0809e03f608bd3f6f9f3' 
  AND (
    token = 'kXhS5riJH+9t8/sV0EQcnSsvoQ/7SN174tbZcaBcSEg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00046