UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3qE4ED19JYbzVGOPo2+/8zzxmryapq+ZsIrTeiSWiZg=' 
WHERE 
  key_id = 'e4202f3c222706e9710baa82eb7a754ad6145a0849500f767dbb5f7dfdf5d200' 
  AND (
    token = '3qE4ED19JYbzVGOPo2+/8zzxmryapq+ZsIrTeiSWiZg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029