UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O0o1h36nujWs+BPFeBfoM8MmDsU9D8g9my68JWXT4lo=' 
WHERE 
  key_id = 'ab5b5f611e7e09a8b5632e19ddc20015493ba9c4606a5adfb52ea685ef2089fa' 
  AND (
    token = 'O0o1h36nujWs+BPFeBfoM8MmDsU9D8g9my68JWXT4lo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034