UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l8r4Tj9YJq9haAO3HacnjjpjOBptUjbRUu0nOszf2Qo=' 
WHERE 
  key_id = '5476928725fe4cf769a3e3e4fcfea15ce6262dcfb013e8001ab098e7c2337ef1' 
  AND (
    token = 'l8r4Tj9YJq9haAO3HacnjjpjOBptUjbRUu0nOszf2Qo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00061