UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oxAeKDafJ2HgfGA5UQ/PBHJ8rwHaArU4NDRqfR1uObg=' 
WHERE 
  key_id = '8a51ad60ce5304e3dd3df07b64f08a770084c0eb7a42b08ca4a868d6445d68f0' 
  AND (
    token = 'oxAeKDafJ2HgfGA5UQ/PBHJ8rwHaArU4NDRqfR1uObg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )