UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AGx6VMGEj12U1s2SIfNrNu1AbrCsB7WPJQqZFJp//u4=' 
WHERE 
  key_id = 'c8d39ca9256667278d056a54f2ded85c9c4e6798f0a51822047590af0a4102ed' 
  AND (
    token = 'AGx6VMGEj12U1s2SIfNrNu1AbrCsB7WPJQqZFJp//u4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )