UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fg83XNHzg1waBv907gn1+Q6vAT/owgEXgdqYlt2KMFw=' 
WHERE 
  key_id = 'a6ff1f5f5143bcad86bb45fd1e581e7056c8b6012a11a3f5387155004a78619b' 
  AND (
    token = 'fg83XNHzg1waBv907gn1+Q6vAT/owgEXgdqYlt2KMFw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )