UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'skrynP5yk45v4KLwWkWw4PmxYvRf2ZSf1+1UNe/bITo=' 
WHERE 
  key_id = '9e464dde2227d13345befb2161c0862bc47243a878afff493bddd056b720b715' 
  AND (
    token = 'skrynP5yk45v4KLwWkWw4PmxYvRf2ZSf1+1UNe/bITo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )