UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6xrbIRQyA7ogOW/XIGqBsUwiI3uRjdPje+EtJxPW3Y4=' 
WHERE 
  key_id = 'a8a2efe7d51012766fa6c37821acc2371d793be18646a501c77cbe9f84d0601b' 
  AND (
    token = '6xrbIRQyA7ogOW/XIGqBsUwiI3uRjdPje+EtJxPW3Y4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )