UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5NAjbjaWr4z3wlGfWu1CuN+FCe5en1KpPhBlFXjwazM=' 
WHERE 
  key_id = '1206c799a8d2615af8b0856d5a25c8340ccf8995e3c81d7b62018a294e943f07' 
  AND (
    token = '5NAjbjaWr4z3wlGfWu1CuN+FCe5en1KpPhBlFXjwazM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042