UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '75aJA9HZ5FywgEbuBKIzqfYYcqFHNRRJlUkqqr7sUEE=' 
WHERE 
  key_id = 'b8639d6e0b0e89a154fde2509eba430645d924e33acb4f70f46608adff9e2b0e' 
  AND (
    token = '75aJA9HZ5FywgEbuBKIzqfYYcqFHNRRJlUkqqr7sUEE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )